QA catalogue for analysing library data

by document types: all · Books · Continuing Resources · Music · Maps · Visual Materials · Mixed Materials · Computer Files

number of records: 3,654,713

Fields		fields	pos./subf.		count	%
Fields defined in MARC21
00X	Control Fields	3	79		3,654,713	100.00
01X-09X	Numbers and Code	37	185		3,642,303	99.66
1XX	Main Entry	4	52		1,059,106	28.98
20X-24X	Title	7	70		3,654,565	100.00
25X-28X	Edition, Imprint	8	37		3,440,091	94.13
3XX	Physical Description	19	91		3,099,230	84.80
4XX	Series Statement	1	5		688,684	18.84
5XX	Note	41	195		1,036,512	28.36
6XX	Subject Access	10	130		1,210,902	33.13
70X-75X	Added Entry	9	96		1,747,292	47.81
76X-78X	Linking Entry	14	142		631,069	17.27
80X-83X	Series Added Entry	3	29		2,162	0.06
841-88X	Holdings, Location, Alternate Graphics	7	71		555,108	15.19
Holdings	MARC Holdings tags	1	6		1,303	0.04
Fields defined in extensions of MARC
KBR	Locally defined tags of the Royal Library of Belgium	1	10		2,453,977	67.15
unknown	unknown origin	4	13		654	0.02
Total number of data elements		169	1,211

				records		occurences
				count	%	count	min	max	⌀	σ
00X: Control Fields
Leader
00	Record length			3,654,713	100.00	3,654,713	1
05	Record status			3,654,713	100.00	3,654,713	1
06	Type of record			3,654,713	100.00	3,654,713	1
07	Bibliographic level			3,654,713	100.00	3,654,713	1
08	Type of control			3,654,713	100.00	3,654,713	1
09	Character coding scheme			3,654,713	100.00	3,654,713	1
10	Indicator count			3,654,713	100.00	3,654,713	1
11	Subfield code count			3,654,713	100.00	3,654,713	1
12	Base address of data			3,654,713	100.00	3,654,713	1
17	Encoding level			3,654,713	100.00	3,654,713	1
18	Descriptive cataloging form			3,654,713	100.00	3,654,713	1
19	Multipart resource record level			3,654,713	100.00	3,654,713	1
20	Length of the length-of-field portion			3,654,713	100.00	3,654,713	1
21	Length of the starting-character-position portion			3,654,713	100.00	3,654,713	1
22	Length of the implementation-defined portion			3,654,713	100.00	3,654,713	1
23	Undefined			3,654,713	100.00	3,654,713	1
001 — Control Number				3,654,713	100.00	3,654,713	1
003 — Control Number Identifier				412	0.01	412	1
005 — Date and Time of Latest Transaction				403,775	11.05	403,775	1
006 — Additional Material Characteristics
All Materials
00	Form of material			59,270	1.62	59,270	1
Books
01	Illustrations			59,270	1.62	59,270	1
05	Target audience			59,270	1.62	59,270	1
06	Form of item			59,270	1.62	59,270	1
07	Nature of contents			59,270	1.62	59,270	1
11	Government publication			59,268	1.62	59,268	1
12	Conference publication			107	0.00	107	1
13	Festschrift			107	0.00	107	1
14	Index			107	0.00	107	1
16	Literary form			107	0.00	107	1
17	Biography			96	0.00	96	1
007 — Physical Description
Common
00	Category of material			395,992	10.84	455,899	1	2	1.08	0.00
Electronic resource
01	Specific material designation			131,714	3.60	190,867	1	2	1.40	0.00
03	Color			59,253	1.62	59,253	1
04	Dimensions			59,253	1.62	59,253	1
05	Sound			59,253	1.62	59,253	1
06	Image bit depth			59,253	1.62	59,253	1
09	File formats			59,253	1.62	59,253	1
10	Quality assurance targets			59,253	1.62	59,253	1
11	Antecedent/source			59,253	1.62	59,253	1
12	Level of compression			59,253	1.62	59,253	1
13	Reformatting quality			59,253	1.62	59,253	1
Globe
01	Specific material designation			2	0.00	2	1
Notated music
01	Specific material designation			26	0.00	26	1
Nonprojected graphic
01	Specific material designation			18,972	0.52	18,972	1
Sound recording
01	Specific material designation			224	0.01	224	1	2	1.00	0.00
03	Speed			4	0.00	4	1
04	Configuration of playback channels			4	0.00	4	1
05	Groove width/groove pitch			4	0.00	4	1
06	Dimensions			4	0.00	4	1
07	Tape width			4	0.00	4	1
08	Tape configuration			4	0.00	4	1
09	Kind of disc, cylinder, or tape			4	0.00	4	1
10	Kind of material			4	0.00	4	1
11	Kind of cutting			4	0.00	4	1
12	Special playback characteristics			4	0.00	4	1
13	Original capture and storage technique			4	0.00	4	1
Text
01	Specific material designation			245,806	6.73	245,806	1	2	1.00	0.00
Videorecording
01	Specific material designation			2	0.00	2	1
03	Color			2	0.00	2	1
04	Videorecording format			2	0.00	2	1
05	Sound on medium or separate			2	0.00	2	1
06	Medium for sound			2	0.00	2	1
07	Dimensions			2	0.00	2	1
08	Configuration of playback channels			2	0.00	2	1
008 — General Information
All Materials
00	Date entered on file			3,618,908	99.02	3,618,908	1
06	Type of date/Publication status			3,613,010	98.86	3,613,010	1
07	Date 1			3,613,010	98.86	3,613,010	1
11	Date 2			3,613,009	98.86	3,613,009	1
15	Place of publication, production, or execution			3,613,004	98.86	3,613,004	1
35	Language			3,608,048	98.72	3,608,048	1
38	Modified record			3,608,021	98.72	3,608,021	1
39	Cataloging source			3,607,952	98.72	3,607,952	1
Books
18	Illustrations			3,613,004	98.86	3,613,004	1
22	Target audience			3,613,001	98.86	3,613,001	1
23	Form of item			3,613,001	98.86	3,613,001	1
24	Nature of contents			3,608,491	98.74	3,608,491	1
28	Government publication			3,608,491	98.74	3,608,491	1
29	Conference publication			3,608,491	98.74	3,608,491	1
30	Festschrift			3,608,490	98.74	3,608,490	1
31	Index			3,608,490	98.74	3,608,490	1
33	Literary form			3,608,490	98.74	3,608,490	1
34	Biography			3,608,488	98.74	3,608,488	1
01X-09X: Numbers and Code
010 — Library of Congress Control Number				10,211	0.28	10,211	1
$#	number/occurrence of field (in KBR version)			1,056	0.03	1,056	1
$a	LC control number			10,210	0.28	10,210	1
$b	NUCMC control number			3	0.00	3	1
$z	Canceled/invalid LC control number			11	0.00	13	1	2	1.15	0.07
013 — Patent Control Information				11	0.00	12	1	2	1.03	0.03
$#	number/occurrence of field (in KBR version)			10	0.00	10	1
$a	Number			11	0.00	12	1	2	1.03	0.03
$b	Country			5	0.00	6	1	2	1.04	0.04
015 — National Bibliography Number				455	0.01	456	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			452	0.01	453	1	2	1.00	0.00
$a	National bibliography number			455	0.01	456	1	2	1.00	0.00
$2	Source			443	0.01	444	1	2	1.00	0.00
016 — National Bibliographic Agency Control Number				425	0.01	429	1	2	1.01	0.00
$ind1	National bibliographic agency			425	0.01	429	1	2	1.01	0.00
$#	number/occurrence of field (in KBR version)			424	0.01	428	1	2	1.01	0.00
$a	Record control number			425	0.01	429	1	2	1.01	0.00
$2	Source			422	0.01	425	1	2	1.01	0.00
017 — Copyright or Legal Deposit Number				504,848	13.81	517,363	1	254	1.02	0.00
$ind1				3	0.00	3	1
$ind2	Display constant controller			504,848	13.81	517,363	1	254	1.02	0.00
$#	number/occurrence of field (in KBR version)			132,196	3.62	134,337	1	46	1.02	0.00
$@	Language of field (in KBR version)			2	0.00	3	1	2	1.50	0.35
$a	Copyright or legal deposit number			502,242	13.74	514,796	1	254	1.02	0.00
$b	Assigning agency			49,997	1.37	50,019	1	5	1.00	0.00
$i	Display text			6	0.00	14	2	3	2.33	0.12
$z	Canceled/invalid copyright or legal deposit number			790	0.02	800	1	4	1.01	0.00
$6	Linkage			13	0.00	42	2	6	3.23	0.27
020 — International Standard Book Number				1,165,969	31.90	1,213,688	1	200	1.04	0.00
$#	number/occurrence of field (in KBR version)			202,881	5.55	210,152	1	85	1.04	0.00
$@	Language of field (in KBR version)			3	0.00	4	1	2	1.33	0.25
$a	International Standard Book Number			792,904	21.70	828,174	1	100	1.05	0.00
$c	Terms of availability			675,520	18.48	680,540	1	64	1.01	0.00
$q	Qualifying information			48,229	1.32	53,753	1	85	1.12	0.00
$z	Canceled/invalid ISBN			10,503	0.29	11,301	1	100	1.08	0.01
$6	Linkage			122	0.00	332	1	25	2.72	0.28
022 — International Standard Serial Number				11,619	0.32	11,760	1	49	1.01	0.00
$ind1	Level of international interest			11,619	0.32	11,760	1	49	1.01	0.00
$#	number/occurrence of field (in KBR version)			4,368	0.12	4,397	1	4	1.01	0.00
$a	International Standard Serial Number			11,457	0.31	11,577	1	49	1.00	0.00
$l	ISSN-L			20	0.00	20	1
$y	Incorrect ISSN			188	0.01	189	1	2	1.01	0.00
$z	Canceled ISSN			2	0.00	2	1
024 — Other Standard Identifier				18,471	0.51	18,575	1	11	1.01	0.00
$ind1	Type of standard number or code			18,471	0.51	18,575	1	11	1.01	0.00
$ind2	Difference indicator			18,471	0.51	18,575	1	11	1.01	0.00
$#	number/occurrence of field (in KBR version)			3,217	0.09	3,239	1	3	1.01	0.00
$a	Standard number or code			18,410	0.50	18,487	1	11	1.01	0.00
$c	Terms of availability			53	0.00	54	1	11	1.01	0.00
$d	Additional codes following the standard number or code			17	0.00	17	1
$q	Qualifying information			11	0.00	11	1	4	1.50	0.11
$z	Canceled/invalid standard number or code			55	0.00	82	1	4	1.14	0.01
$2	Source of number or code			9	0.00	9	1
026 — Fingerprint Identifier				2,587	0.07	2,588	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			284	0.01	284	1
$c	Date			2,574	0.07	2,575	1	2	1.00	0.00
$e	Unparsed fingerprint			2,587	0.07	2,588	1	2	1.00	0.00
028 — Publisher or Distributor Number				909	0.02	970	1	21	1.46	0.00
$ind1	Type of number			909	0.02	970	1	21	1.46	0.00
$ind2	Note/added entry controller			909	0.02	970	1	21	1.46	0.00
$#	number/occurrence of field (in KBR version)			362	0.01	420	1	21	1.71	0.00
$a	Publisher or distributor number			834	0.02	895	1	21	1.46	0.00
$b	Source			140	0.00	141	1	3	1.00	0.00
031 — Musical Incipits Information				9	0.00	31	1	100	1.88	0.02
$#	number/occurrence of field (in KBR version)			3	0.00	4	1	51	3.73	0.27
$a	Number of work			7	0.00	29	1	100	1.88	0.02
$b	Number of movement			7	0.00	29	1	100	1.87	0.02
$c	Number of excerpt			7	0.00	29	1	100	1.87	0.02
$d	Caption or heading			6	0.00	16	1	39	1.94	0.02
$e	Role			1	0.00	1	1	7	1.11	0.02
$g	Clef			7	0.00	21	1	100	1.63	0.02
$m	Voice/instrument			7	0.00	18	1	50	1.55	0.01
$n	Key signature			5	0.00	18	1	64	1.62	0.02
$o	Time signature			7	0.00	25	1	50	1.51	0.01
$p	Musical notation			7	0.00	21	1	100	1.63	0.02
$t	Text incipit			7	0.00	16	1	50	1.43	0.01
$2	System code			7	0.00	21	1	100	1.63	0.02
033 — Date/Time and Place of an Event				57,240	1.57	57,242	1	2	1.00	0.00
$ind1	Type of date in subfield $a			57,240	1.57	57,242	1	2	1.00	0.00
$ind2	Type of event			57,240	1.57	57,242	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			27,663	0.76	27,665	1	2	1.00	0.00
$a	Formatted date/time			57,083	1.56	57,085	1	2	1.00	0.00
$p	Place of event			48,699	1.33	48,700	1	2	1.00	0.00
034 — Coded Cartographic Mathematical Data				32	0.00	32	1	3	1.00	0.00
$ind1	Type of scale			32	0.00	32	1	3	1.00	0.00
$ind2	Type of ring			32	0.00	32	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			30	0.00	30	1	2	1.00	0.00
$a	Category of scale			32	0.00	32	1	3	1.00	0.00
$b	Constant ratio linear horizontal scale			27	0.00	27	1	6	1.10	0.06
$d	Coordinates - westernmost longitude			1	0.00	1	1	3	1.03	0.00
$e	Coordinates - easternmost longitude			1	0.00	1	1	3	1.03	0.00
$f	Coordinates - northernmost latitude			1	0.00	1	1	3	1.03	0.00
$g	Coordinates - southernmost latitude			1	0.00	1	1	3	1.03	0.00
035 — System Control Number				1,104,242	30.21	1,104,729	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			1,614	0.04	1,673	1	4	1.04	0.00
$a	System control number			1,104,242	30.21	1,104,729	1	4	1.00	0.00
$z	Canceled/invalid control number			18	0.00	24	1	3	1.42	0.07
036 — Original Study Number for Computer Data Files				1	0.00	3	3
$#	number/occurrence of field (in KBR version)			1	0.00	3	3
$a	Original study number			1	0.00	3	3
$b	Source agency assigning number			1	0.00	3	3
037 — Source of Acquisition				192	0.01	192	1
$ind1	Source of acquisition sequence			192	0.01	192	1
$#	number/occurrence of field (in KBR version)			145	0.00	145	1
$a	Stock number			32	0.00	32	1
$b	Source of stock number/acquisition			180	0.00	180	1
$c	Terms of availability			112	0.00	112	1
$n	Note			160	0.00	160	1
038 — Record Content Licensor				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Record content licensor			1	0.00	1	1
040 — Cataloging Source				3,228,365	88.33	3,230,709	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			556,068	15.22	556,620	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Original cataloging agency			3,221,709	88.15	3,224,088	1	4	1.00	0.00
$b	Language of cataloging			459,066	12.56	459,614	1	4	1.00	0.00
$c	Transcribing agency			1,667	0.05	1,667	1
$d	Modifying agency			13,717	0.38	16,871	1	30	1.25	0.01
$e	Description conventions			422,211	11.55	422,636	1	4	1.00	0.00
$6	Linkage			3	0.00	3	1
041 — Language Code				3,548,242	97.09	3,551,882	1	9	1.00	0.00
$ind1	Translation indication			3,548,242	97.09	3,551,882	1	9	1.00	0.00
$ind2	Source of code			3,548,242	97.09	3,551,882	1	9	1.00	0.00
$#	number/occurrence of field (in KBR version)			614,802	16.82	616,844	1	9	1.00	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Language code of text/sound track or separate title			3,547,662	97.07	3,646,263	1	16	1.03	0.00
$b	Language code of summary or abstract			1,716	0.05	2,399	1	5	1.40	0.00
$d	Language code of sung or spoken text			5	0.00	5	1
$e	Language code of librettos			2	0.00	2	1	3	1.76	0.09
$f	Language code of table of contents			30	0.00	31	1	2	1.03	0.03
$g	Language code of accompanying material other than librettos and transcripts			7	0.00	9	1	3	1.51	0.03
$h	Language code of original			75,515	2.07	75,819	1	4	1.00	0.00
$j	Language code of subtitles			15	0.00	16	1	2	1.07	0.06
$k	Language code of intermediate translations			37	0.00	40	1	2	1.08	0.02
$m	Language code of original accompanying materials other than librettos			2	0.00	2	1
042 — Authentication Code				520	0.01	520	1
$#	number/occurrence of field (in KBR version)			270	0.01	270	1
$a	Authentication code			520	0.01	525	1	2	1.01	0.00
043 — Geographic Area Code				49,732	1.36	49,732	1
$#	number/occurrence of field (in KBR version)			641	0.02	641	1
$a	Geographic area code			49,732	1.36	57,721	1	6	1.16	0.00
044 — Country of Publishing/Producing Entity Code				3,156,780	86.38	3,156,847	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			514,997	14.09	515,064	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	MARC country code			3,156,618	86.37	3,245,064	1	8	1.03	0.00
$c	ISO country code			4,854	0.13	5,009	1	3	1.03	0.00
045 — Time Period of Content				30	0.00	30	1
$ind1	Type of time period in subfield $b or $c			30	0.00	30	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Time period code			9	0.00	9	1
$b	Formatted 9999 B.C. through C.E. time period			21	0.00	27	1	2	1.32	0.03
046 — Special Coded Dates				3	0.00	3	1
$ind1	Type of entity			3	0.00	3	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$k	Beginning or single date created			3	0.00	3	1
$2	Source of date			1	0.00	1	1
047 — Form of Musical Composition Code				39	0.00	39	1
$ind2	Source of code			39	0.00	39	1
$#	number/occurrence of field (in KBR version)			15	0.00	15	1
$a	Form of musical composition code			39	0.00	53	1	6	1.14	0.00
048 — Number of Musical Instruments or Voices Codes				10	0.00	11	1	4	1.01	0.00
$ind2	Source of code			10	0.00	11	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			10	0.00	11	1	4	1.03	0.01
$a	Performer or ensemble			9	0.00	11	1	16	1.88	0.03
$b	Soloist			9	0.00	9	1	5	1.12	0.02
050 — Library of Congress Call Number				27,674	0.76	29,052	1	2	1.05	0.00
$ind1	Existence in LC collection			27,674	0.76	29,052	1	2	1.05	0.00
$ind2	Source of call number			27,674	0.76	29,052	1	2	1.05	0.00
$#	number/occurrence of field (in KBR version)			1,327	0.04	1,369	1	2	1.03	0.00
$a	Classification number			27,674	0.76	29,056	1	2	1.05	0.00
$b	Item number			6,170	0.17	7,041	1	2	1.14	0.00
055 — Classification Numbers Assigned in Canada				4	0.00	4	1
$ind1	Existence in LAC collection			4	0.00	4	1
$ind2	Type, completeness, source of class/call number			4	0.00	4	1
$#	number/occurrence of field (in KBR version)			4	0.00	4	1
$a	Classification number			4	0.00	4	1
$b	Item number			3	0.00	3	1
060 — National Library of Medicine Call Number				3	0.00	3	1
$ind1	Existence in NLM collection			3	0.00	3	1
$ind2	Source of call number			3	0.00	3	1
$#	number/occurrence of field (in KBR version)			3	0.00	3	1
$a	Classification number			3	0.00	3	1
066 — Character Sets Present				27	0.00	27	1
$#	number/occurrence of field (in KBR version)			25	0.00	25	1
$a	Primary G0 character set			5	0.00	5	1
$c	Alternate G0 or G1 character set			22	0.00	24	1	2	1.08	0.04
071 — National Agricultural Library Copy Statement				23	0.00	25	1	2	1.05	0.02
$#	number/occurrence of field (in KBR version)			22	0.00	24	1	2	1.05	0.02
$a	Classification number			23	0.00	25	1	2	1.05	0.02
$b	Item number			15	0.00	16	1	2	1.06	0.05
$c	Copy information			5	0.00	5	1
072 — Subject Category Code				76	0.00	89	1	3	1.15	0.02
$ind2	Code source			76	0.00	89	1	3	1.15	0.02
$#	number/occurrence of field (in KBR version)			39	0.00	52	1	3	1.30	0.04
$a	Subject category code			76	0.00	89	1	3	1.15	0.02
$x	Subject category code subdivision			4	0.00	8	1	3	2.00	0.35
$2	Source			39	0.00	52	1	3	1.30	0.04
074 — GPO Item Number				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	GPO item number			1	0.00	1	1
080 — Universal Decimal Classification Number				54,997	1.50	57,662	1	4	1.06	0.00
$ind1	Type of edition			54,997	1.50	57,662	1	4	1.06	0.00
$#	number/occurrence of field (in KBR version)			3,228	0.09	3,422	1	4	1.08	0.00
$a	Universal Decimal Classification number			54,997	1.50	57,662	1	4	1.06	0.00
$2	Edition identifier			159	0.00	216	1	4	1.35	0.02
082 — Dewey Decimal Classification Number				17,521	0.48	18,255	1	4	1.04	0.00
$ind1	Type of edition			17,521	0.48	18,255	1	4	1.04	0.00
$ind2	Source of classification number			17,521	0.48	18,255	1	4	1.04	0.00
$#	number/occurrence of field (in KBR version)			1,229	0.03	1,240	1	2	1.01	0.00
$a	Classification number			17,521	0.48	18,284	1	4	1.04	0.00
$b	Item number			5,589	0.15	5,604	1	2	1.00	0.00
$q	Assigning agency			3	0.00	3	1
$2	Edition information			1,169	0.03	1,170	1	2	1.00	0.00
084 — Other Classificaton Number				16,777	0.46	25,465	1	6	1.54	0.00
$#	number/occurrence of field (in KBR version)			686	0.02	1,045	1	5	1.55	0.00
$a	Classification number			16,777	0.46	25,496	1	6	1.54	0.00
$q	Assigning agency			3	0.00	3	1
$2	Number source			48	0.00	50	1	2	1.04	0.02
086 — Government Document Classification Number				2	0.00	2	1
$ind1	Number source			2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Classification number			2	0.00	2	1
1XX: Main Entry
100 — Main Entry - Personal Name				943,276	25.81	943,304	1	4	1.00	0.00
$ind1	Type of personal name entry element			943,276	25.81	943,304	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			157,026	4.30	157,052	1	4	1.00	0.00
$*	Link with identifier (in KBR version)			943,276	25.81	943,311	1	4	1.00	0.00
$@	Language of field (in KBR version)			483	0.01	485	1	2	1.00	0.00
$a	Personal name			943,269	25.81	943,306	1	4	1.00	0.00
$b	Numeration			3,222	0.09	3,226	1	2	1.00	0.00
$c	Titles and words associated with a name			179,658	4.92	186,307	1	9	1.03	0.00
$d	Dates associated with a name			388,543	10.63	388,649	1	4	1.00	0.00
$e	Relator term			95	0.00	95	1
$g	Miscellaneous information			4,724	0.13	4,725	1	2	1.00	0.00
$j	Attribution qualifier			813	0.02	813	1
$l	Language of a work			5	0.00	5	1
$q	Fuller form of name			16,985	0.46	17,047	1	3	1.00	0.00
$0	Authority record control number or standard number			26	0.00	26	1
$1	Real World Object URI			607,148	16.61	607,256	1	4	1.00	0.00
$4	Relationship			395,562	10.82	409,374	1	6	1.03	0.00
$6	Linkage			1	0.00	1	1
110 — Main Entry - Corporate Name				116,734	3.19	117,051	1	4	1.00	0.00
$ind1	Type of corporate name entry element			116,734	3.19	117,051	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			15,719	0.43	16,026	1	4	1.02	0.00
$*	Link with identifier (in KBR version)			116,734	3.19	117,051	1	4	1.00	0.00
$@	Language of field (in KBR version)			5,832	0.16	5,882	1	3	1.02	0.00
$a	Corporate name or jurisdiction name as entry element			116,184	3.18	116,501	1	4	1.00	0.00
$b	Subordinate unit			23,739	0.65	29,242	1	5	1.22	0.00
$c	Location of meeting			7,882	0.22	8,055	1	3	1.01	0.00
$d	Date of meeting or treaty signing			1,748	0.05	1,748	1
$e	Relator term			1	0.00	1	1
$g	Miscellaneous information			72,723	1.99	72,926	1	4	1.00	0.00
$l	Language of a work			2,348	0.06	2,348	1
$1	Real World Object URI			506	0.01	508	1	2	1.00	0.00
$4	Relationship			35,767	0.98	39,853	1	6	1.20	0.00
$6	Linkage			4	0.00	4	1
111 — Main Entry - Meeting Name				1,347	0.04	1,347	1
$ind1	Type of meeting name entry element			1,347	0.04	1,347	1
$#	number/occurrence of field (in KBR version)			54	0.00	54	1
$*	Link with identifier (in KBR version)			1,347	0.04	1,347	1
$a	Meeting name or jurisdiction name as entry element			1,347	0.04	1,347	1
$c	Location of meeting			85	0.00	85	1
$d	Date of meeting or treaty signing			618	0.02	619	1	2	1.00	0.00
$e	Subordinate unit			1	0.00	1	1
$j	Relator term			20	0.00	20	1
$n	Number of part/section/meeting			67	0.00	67	1
$p	Name of part/section of a work			1	0.00	1	1
$4	Relationship			25	0.00	25	1
130 — Main Entry - Uniform Title				186	0.01	186	1
$ind1	Nonfiling characters			186	0.01	186	1
$#	number/occurrence of field (in KBR version)			132	0.00	132	1
$*	Link with identifier (in KBR version)			186	0.01	186	1
$a	Uniform title			186	0.01	186	1
$d	Date of treaty signing			4	0.00	4	1
$f	Date of a work			9	0.00	9	1
$l	Language of a work			89	0.00	89	1
$n	Number of part/section of a work			1	0.00	1	1
$p	Name of part/section of a work			4	0.00	4	1
$6	Linkage			2	0.00	2	1
20X-24X: Title
210 — Abbreviated Title				804	0.02	861	1	10	1.90	0.00
$ind1	Title added entry			804	0.02	861	1	10	1.90	0.00
$ind2	Type			804	0.02	861	1	10	1.90	0.00
$#	number/occurrence of field (in KBR version)			164	0.00	196	1	10	2.09	0.00
$a	Abbreviated title			804	0.02	862	1	10	1.90	0.00
$b	Qualifying information			13	0.00	13	1
240 — Uniform Title				20,365	0.56	20,365	1
$ind1	Uniform title printed or displayed			20,365	0.56	20,365	1
$ind2	Nonfiling characters			20,365	0.56	20,365	1
$#	number/occurrence of field (in KBR version)			3,514	0.10	3,514	1
$*	Link with identifier (in KBR version)			20,365	0.56	20,365	1	2	1.00	0.00
$@	Language of field (in KBR version)			100	0.00	100	1
$a	Uniform title			20,365	0.56	20,365	1	2	1.00	0.00
$d	Date of treaty signing			121	0.00	125	1	2	1.03	0.01
$f	Date of a work			86	0.00	86	1
$g	Miscellaneous information			109	0.00	109	1
$k	Form subheading			96	0.00	96	1
$l	Language of a work			3,869	0.11	3,869	1
$m	Medium of performance for music			7	0.00	7	1
$n	Number of part/section of a work			58	0.00	59	1	2	1.00	0.00
$p	Name of part/section of a work			76	0.00	76	1
$r	Key for music			5	0.00	5	1
$s	Version			1	0.00	1	1
$6	Linkage			1	0.00	1	1
242 — Translation of Title by Cataloging Agency				1,000	0.03	1,019	1	6	1.05	0.00
$ind1	Title added entry			1,000	0.03	1,019	1	6	1.05	0.00
$ind2	Nonfiling characters			1,000	0.03	1,019	1	6	1.05	0.00
$#	number/occurrence of field (in KBR version)			74	0.00	77	1	2	1.17	0.00
$@	Language of field (in KBR version)			1	0.00	2	2
$a	Title			1,000	0.03	1,019	1	6	1.05	0.00
$b	Remainder of title			43	0.00	43	1
$c	Statement of responsibility, etc.			5	0.00	5	1
$n	Number of part/section of a work			4	0.00	4	1
$p	Name of part/section of a work			4	0.00	4	1
$y	Language code of translated title			385	0.01	390	1	2	1.01	0.00
243 — Collective Uniform Title				6	0.00	6	1
$ind1	Uniform title printed or displayed			6	0.00	6	1
$ind2	Nonfiling characters			6	0.00	6	1
$#	number/occurrence of field (in KBR version)			6	0.00	6	1
$a	Uniform title			6	0.00	6	1
$f	Date of a work			6	0.00	6	1
245 — Title Statement				3,654,565	100.00	3,654,654	1	4	1.01	0.00
$ind1	Title added entry			3,654,565	100.00	3,654,654	1	4	1.01	0.00
$ind2	Nonfiling characters			3,654,565	100.00	3,654,654	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			751,006	20.55	751,095	1	4	1.03	0.00
$@	Language of field (in KBR version)			113	0.00	117	1	3	1.05	0.00
$a	Title			3,654,467	99.99	3,655,889	1	9	1.01	0.00
$b	Remainder of title			1,025,467	28.06	1,025,638	1	10	1.00	0.00
$c	Statement of responsibility, etc.			2,142,348	58.62	2,142,435	1	4	1.00	0.00
$f	Inclusive dates			164	0.00	164	1
$g	Bulk dates			36	0.00	47	1	4	1.31	0.09
$h	Medium			124,566	3.41	124,566	1	3	1.00	0.00
$k	Form			1	0.00	1	1
$n	Number of part/section of a work			96,602	2.64	116,140	1	30	1.06	0.00
$p	Name of part/section of a work			58,293	1.60	73,089	1	48	1.05	0.00
$s	Version			46	0.00	46	1
$6	Linkage			1,912	0.05	1,912	1
246 — Varying Form of Title				195,275	5.34	214,108	1	24	1.15	0.00
$ind1	Note/added entry controller			195,275	5.34	214,108	1	24	1.15	0.00
$ind2	Type of title			195,275	5.34	214,108	1	24	1.15	0.00
$#	number/occurrence of field (in KBR version)			44,395	1.21	49,691	1	24	1.22	0.00
$@	Language of field (in KBR version)			728	0.02	1,417	1	5	1.92	0.00
$a	Title proper/short title			195,160	5.34	213,743	1	24	1.15	0.00
$b	Remainder of title			27,723	0.76	30,061	1	8	1.08	0.00
$f	Date or sequential designation			3	0.00	3	1	3	1.27	0.17
$g	Miscellaneous information			31,341	0.86	33,014	1	8	1.06	0.00
$h	Medium			19	0.00	38	1	5	1.73	0.12
$i	Display text			75,520	2.07	77,214	1	21	1.02	0.00
$n	Number of part/section of a work			1,242	0.03	1,418	1	18	1.14	0.02
$p	Name of part/section of a work			893	0.02	1,067	1	17	1.19	0.02
$6	Linkage			1,280	0.04	1,296	1	2	1.01	0.00
247 — Former Title				1,966	0.05	2,051	1	5	1.04	0.00
$ind1	Title added entry			1,966	0.05	2,051	1	5	1.04	0.00
$ind2	Note controller			1,966	0.05	2,051	1	5	1.04	0.00
$#	number/occurrence of field (in KBR version)			212	0.01	222	1	3	1.04	0.01
$a	Title			1,963	0.05	2,048	1	5	1.04	0.00
$f	Date or sequential designation			720	0.02	738	1	3	1.02	0.00
25X-28X: Edition, Imprint
250 — Edition Statement				230,323	6.30	231,033	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			45,301	1.24	45,841	1	4	1.02	0.00
$@	Language of field (in KBR version)			246	0.01	483	1	3	2.01	0.00
$a	Edition statement			230,206	6.30	230,912	1	4	1.00	0.00
$b	Remainder of edition statement			10,163	0.28	10,164	1	2	1.00	0.00
$6	Linkage			25	0.00	25	1
254 — Musical Presentation Statement				3,622	0.10	3,622	1
$#	number/occurrence of field (in KBR version)			401	0.01	401	1
$a	Musical presentation statement			3,622	0.10	3,622	1	2	1.00	0.00
255 — Cartographic Mathematical Data				6,121	0.17	6,122	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			1,401	0.04	1,402	1	4	1.00	0.00
$a	Statement of scale			6,116	0.17	6,117	1	5	1.00	0.00
$b	Statement of projection			5	0.00	5	1
$c	Statement of coordinates			8	0.00	8	1	4	1.01	0.00
$d	Statement of zone			2	0.00	2	1
256 — Computer File Characteristics				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Computer file characteristics			2	0.00	2	1
260 — Publication, Distribution, etc. (Imprint)				166	0.00	167	1	2	1.00	0.00
$ind1	Sequence of publishing statements			166	0.00	167	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			18	0.00	18	1
$a	Place of publication, distribution, etc.			45	0.00	55	1	4	1.21	0.06
$b	Name of publisher, distributor, etc.			165	0.00	166	1	2	1.01	0.01
$c	Date of publication, distribution, etc.			46	0.00	46	1
$3	Materials specified			1	0.00	2	2
263 — Projected Publication Date				606	0.02	606	1
$#	number/occurrence of field (in KBR version)			555	0.02	555	1
$a	Projected publication date			606	0.02	606	1
264 — Production, Publication, Distribution, Manufacture, and Copyright Notice				3,437,564	94.06	3,528,315	1	33	1.05	0.00
$ind1	Sequence of statements			3,437,564	94.06	3,528,315	1	33	1.05	0.00
$ind2	Function of entity			3,437,564	94.06	3,528,315	1	33	1.05	0.00
$#	number/occurrence of field (in KBR version)			661,255	18.09	670,284	1	30	1.07	0.00
$@	Language of field (in KBR version)			326	0.01	335	1	3	1.01	0.00
$a	Place of production, publication, distribution, manufacture			3,109,762	85.09	3,447,597	1	22	1.12	0.00
$b	Name of producer, publisher, distributor, manufacturer			2,831,259	77.47	2,964,296	1	28	1.05	0.00
$c	Date of production, publication, distribution, manufacture, or copyright notice			3,356,020	91.83	3,433,429	1	32	1.05	0.00
$3	Materials specified			1	0.00	1	1
$6	Linkage			307	0.01	307	1
270 — Address				18	0.00	26	1	4	1.45	0.13
$ind1	Level			18	0.00	26	1	4	1.45	0.13
$ind2	Type of address			18	0.00	26	1	4	1.45	0.13
$#	number/occurrence of field (in KBR version)			7	0.00	10	1	2	1.43	0.10
$a	Address			16	0.00	16	1
$b	City			13	0.00	13	1
$c	State or province			18	0.00	26	1	4	1.45	0.13
3XX: Physical Description
300 — Physical Description				2,983,480	81.63	3,043,575	1	11	1.03	0.00
$#	number/occurrence of field (in KBR version)			525,680	14.38	542,822	1	10	1.05	0.00
$@	Language of field (in KBR version)			4,282	0.12	8,296	1	3	1.90	0.00
$a	Extent			2,697,580	73.81	2,702,143	1	10	1.00	0.00
$b	Other physical details			1,434,324	39.25	1,451,791	1	11	1.01	0.00
$c	Dimensions			2,485,138	68.00	2,485,752	1	4	1.00	0.00
$e	Accompanying material			54,392	1.49	54,395	1	4	1.00	0.00
$f	Type of unit			4,702	0.13	11,119	1	4	1.94	0.00
$g	Size of unit			4	0.00	4	1
$6	Linkage			51	0.00	51	1
306 — Playing Time				27	0.00	27	1
$#	number/occurrence of field (in KBR version)			18	0.00	18	1
$a	Playing time			26	0.00	26	1	6	1.02	0.01
$b				5	0.00	5	1
$c				8	0.00	8	1
310 — Current Publication Frequency				8,497	0.23	8,497	1
$#	number/occurrence of field (in KBR version)			2,027	0.06	2,027	1
$a	Current publication frequency			8,497	0.23	8,497	1
$b	Date of current publication frequency			14	0.00	14	1
321 — Former Publication Frequency				12	0.00	12	1	4	1.11	0.02
$#	number/occurrence of field (in KBR version)			12	0.00	12	1	2	1.09	0.01
$a	Former publication frequency			12	0.00	12	1	4	1.11	0.02
$b	Dates of former publication frequency			4	0.00	4	1	4	1.21	0.03
336 — Content Type				659,543	18.05	659,883	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			340,270	9.31	340,598	1	3	1.00	0.00
$@	Language of field (in KBR version)			7	0.00	7	1
$a	Content type term			659,521	18.05	811,734	1	6	1.20	0.00
$b	Content type code			359	0.01	384	1	3	1.07	0.01
$2	Source			587,918	16.09	588,147	1	3	1.00	0.00
$3	Materials specified			1	0.00	2	2
337 — Media Type				659,402	18.04	659,623	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			340,157	9.31	340,372	1	2	1.00	0.00
$@	Language of field (in KBR version)			3	0.00	3	1
$a	Media type term			658,872	18.03	659,135	1	2	1.00	0.00
$b	Media type code			770	0.02	771	1	2	1.00	0.00
$2	Source			588,277	16.10	588,377	1	2	1.00	0.00
$3	Materials specified			1	0.00	2	2
338 — Carrier Type				675,907	18.49	676,146	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			351,495	9.62	351,731	1	2	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Carrier type term			675,895	18.49	676,232	1	2	1.00	0.00
$b	Carrier type code			726	0.02	728	1	2	1.00	0.00
$2	Source			593,975	16.25	594,135	1	2	1.00	0.00
$3	Materials specified			1	0.00	2	2
340 — Physical Medium				167,545	4.58	171,893	1	8	1.02	0.00
$#	number/occurrence of field (in KBR version)			147,489	4.04	147,893	1	5	1.01	0.00
$a	Material base and configuration			35,880	0.98	40,247	1	8	1.07	0.00
$b	Dimensions			112	0.00	112	1	3	1.01	0.00
$c	Materials applied to surface			8	0.00	8	1
$d	Information recording technique			7	0.00	7	1
$e	Support			231	0.01	231	1
$l	Binding			131,103	3.59	131,136	1	2	1.00	0.00
$n	Font size			2	0.00	2	1
344 — Sound Characteristics				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Type of recording			2	0.00	2	1
$b	Recording medium			2	0.00	2	1
346 — Video Characteristics				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Video format			1	0.00	1	1
$b	Broadcast standard			1	0.00	1	1
347 — Digital File Characteristics				121,154	3.32	121,218	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			120,631	3.30	120,695	1	2	1.00	0.00
$a	File type			2,619	0.07	2,619	1
$b	Encoding format			118,555	3.24	118,619	1	2	1.00	0.00
$c	File size			45	0.00	45	1
$d	Resolution			1	0.00	1	1
$2	Source			4	0.00	4	1
351 — Organization and Arrangement of Materials				208	0.01	208	1
$#	number/occurrence of field (in KBR version)			202	0.01	202	1
$a	Organization			208	0.01	208	1
362 — Dates of Publication and/or Sequential Designation				21,163	0.58	21,208	1	3	1.00	0.00
$ind1	Format of date			21,163	0.58	21,208	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			4,807	0.13	4,818	1	3	1.01	0.00
$a	Dates of publication and/or sequential designation			21,162	0.58	21,211	1	4	1.00	0.00
$z	Source of information			14	0.00	23	1	3	2.01	0.00
365 — Trade Price				519	0.01	522	1	3	1.00	0.00
$ind1	Start/End designator			519	0.01	522	1	3	1.00	0.00
$ind2	State of issuance			519	0.01	522	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			56	0.00	56	1	3	1.01	0.00
$a	Price type code			8	0.00	8	1
$b	Price amount			329	0.01	329	1	3	1.00	0.00
$c	Currency code			2	0.00	2	1	3	1.43	0.25
$e	Price note			184	0.01	187	1	3	1.01	0.00
366 — Trade Availability Information				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$b	Detailed date of publication			1	0.00	1	1
$c	Availability status code			1	0.00	1	1
$e	Note			1	0.00	1	1
$j	ISO country code			1	0.00	1	1
$k	MARC country code			1	0.00	1	1
$2	Source of availability status code			1	0.00	1	1
383 — Numeric Designation of Musical Work				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$b	Opus number			2	0.00	2	1	3	1.03	0.01
385 — Audience Characteristics				862	0.02	868	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			862	0.02	868	1	4	1.01	0.00
$a	Audience term			841	0.02	851	1	4	1.01	0.00
$b	Audience code			32	0.00	32	1
$m	Demographic group term			38	0.00	38	1
$n	Demographic group code			3	0.00	3	1
386 — Creator/Contributor Characteristics				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Creator/contributor term			1	0.00	1	1
$i	Relationship information			1	0.00	1	1
$2	Source			1	0.00	1	1
388 — Time Period of Creation				2	0.00	2	1
$ind1	Type of time period			2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Time period of creation term			2	0.00	2	1
4XX: Series Statement
490 — Series Statement				688,684	18.84	697,889	1	5	1.02	0.00
$ind1	Series tracing policy			688,684	18.84	697,889	1	5	1.02	0.00
$#	number/occurrence of field (in KBR version)			56,017	1.53	57,160	1	4	1.04	0.00
$a	Series statement			683,850	18.71	695,023	1	5	1.02	0.00
$v	Volume/sequential designation			483,604	13.23	643,356	1	8	1.32	0.00
$x	International Standard Serial Number			3,519	0.10	3,538	1	2	1.01	0.00
5XX: Note
500 — General Note				603,696	16.52	835,395	1	76	1.42	0.00
$ind1				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			120,346	3.29	143,351	1	76	1.32	0.00
$@	Language of field (in KBR version)			1	0.00	1	1	2	1.00	0.00
$a	General note			603,679	16.52	835,557	1	76	1.42	0.00
$v				1	0.00	1	1
$5	Institution to which field applies			71	0.00	71	1
$6	Linkage			1	0.00	1	1
501 — With Note				246	0.01	248	1	2	1.01	0.00
$#	number/occurrence of field (in KBR version)			30	0.00	30	1
$a	With note			246	0.01	248	1	2	1.01	0.00
502 — Dissertation Note				90,657	2.48	90,675	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			4,706	0.13	4,711	1	2	1.00	0.00
$a	Dissertation note			90,190	2.47	90,204	1	2	1.00	0.00
$b	Degree type			21,537	0.59	21,547	1	2	1.00	0.00
$c	Name of granting institution			55	0.00	58	1	2	1.05	0.02
$d	Year degree granted			58	0.00	61	1	2	1.05	0.02
$g	Miscellaneous information			1	0.00	1	1
504 — Bibliography, etc. Note				37,935	1.04	38,446	1	6	1.01	0.00
$#	number/occurrence of field (in KBR version)			36,657	1.00	37,167	1	6	1.01	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Bibliography, etc. note			37,933	1.04	38,445	1	6	1.01	0.00
$b	Number of references			4	0.00	4	1
505 — Formatted Contents Note				38,989	1.07	105,703	1	214	2.68	0.01
$ind1	Display constant controller			38,989	1.07	105,703	1	214	2.68	0.01
$ind2	Level of content designation			38,989	1.07	105,703	1	214	2.68	0.01
$#	number/occurrence of field (in KBR version)			10,450	0.29	27,370	1	214	2.42	0.05
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Formatted contents note			2,081	0.06	3,231	1	35	1.32	0.01
$g	Miscellaneous information			439	0.01	11,218	1	212	25.15	1.22
$r	Statement of responsibility			2,170	0.06	8,786	1	63	4.84	0.04
$t	Title			37,427	1.02	156,409	1	214	4.19	0.02
$u	Uniform Resource Identifier			2	0.00	2	1
$6	Linkage			1	0.00	1	1
506 — Restrictions on Access Note				70,952	1.94	73,346	1	3	1.03	0.00
$ind1	Restriction			70,952	1.94	73,346	1	3	1.03	0.00
$#	number/occurrence of field (in KBR version)			8,649	0.24	11,042	1	3	1.14	0.00
$a	Terms governing access			70,952	1.94	73,346	1	3	1.03	0.00
$b	Jurisdiction			1	0.00	1	1
$c	Physical access provisions			68,239	1.87	68,239	1	2	1.00	0.00
$d	Authorized users			68,124	1.86	68,124	1	2	1.00	0.00
$e	Authorization			1	0.00	1	1
$f	Standardized terminology for access restriction			5	0.00	5	1
510 — Citation/References Note				115,720	3.17	131,318	1	10	1.13	0.00
$ind1	Coverage/location in source			115,720	3.17	131,318	1	10	1.13	0.00
$#	number/occurrence of field (in KBR version)			28,252	0.77	31,591	1	10	1.12	0.00
$@	Language of field (in KBR version)			98	0.00	245	1	6	2.50	0.04
$a	Name of source			115,715	3.17	131,310	1	10	1.13	0.00
$b	Coverage of source			2	0.00	2	1
$c	Location within source			67,341	1.84	77,117	1	5	1.15	0.00
$u	Uniform Resource Identifier			22	0.00	22	1
511 — Participant or Performer Note				17,606	0.48	20,282	1	20	1.15	0.00
$ind1	Display constant controller			17,606	0.48	20,282	1	20	1.15	0.00
$#	number/occurrence of field (in KBR version)			2,649	0.07	3,119	1	6	1.15	0.00
$a	Participant or performer note			17,606	0.48	20,282	1	20	1.15	0.00
513 — Type of Report and Period Covered Note				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Type of report			1	0.00	1	1
515 — Numbering Peculiarities Note				4	0.00	4	1
$#	number/occurrence of field (in KBR version)			4	0.00	4	1
$a	Numbering peculiarities note			4	0.00	4	1
516 — Type of Computer File or Data Note				2	0.00	2	1
$ind1	Display constant controller			2	0.00	2	1
$a	Type of computer file or data note			2	0.00	2	1
518 — Date/Time and Place of an Event Note				1,274	0.03	1,279	1	18	1.11	0.01
$#	number/occurrence of field (in KBR version)			94	0.00	97	1	3	1.03	0.01
$a	Date/time and place of an event note			1,272	0.03	1,275	1	18	1.11	0.01
$d	Date of event			3	0.00	5	1	3	1.67	0.50
$o	Other event information			2	0.00	4	1	3	2.00	0.71
$p	Place of event			3	0.00	5	1	3	1.67	0.50
520 — Summary, etc.				125,717	3.44	128,146	1	7	1.02	0.00
$ind1	Display constant controller			125,717	3.44	128,146	1	7	1.02	0.00
$#	number/occurrence of field (in KBR version)			48,718	1.33	48,818	1	5	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Summary, etc.			125,706	3.44	128,136	1	7	1.02	0.00
$b	Expansion of summary note			7	0.00	7	1
$c	Assigning source			290	0.01	304	1	2	1.05	0.00
$u	Uniform Resource Identifier			3	0.00	3	1
$2	Source			212	0.01	213	1	2	1.00	0.00
521 — Target Audience Note				7,674	0.21	7,704	1	2	1.00	0.00
$ind1	Display constant controller			7,674	0.21	7,704	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			7,628	0.21	7,658	1	2	1.00	0.00
$a	Target audience note			7,674	0.21	7,715	1	3	1.01	0.00
$b	Source			67	0.00	70	1	2	1.04	0.01
$3	Materials specified			38	0.00	38	1
525 — Supplement Note				84	0.00	84	1
$#	number/occurrence of field (in KBR version)			84	0.00	84	1
$a	Supplement note			84	0.00	84	1
526 — Study Program Information Note				1	0.00	1	1
$ind1	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Program name			1	0.00	1	1
$z	Public note			1	0.00	1	1
530 — Additional Physical Form available Note				19,886	0.54	19,961	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			5,642	0.15	5,659	1	3	1.01	0.00
$a	Additional physical form available note			19,694	0.54	19,769	1	4	1.01	0.00
$b	Availability source			2	0.00	2	1
$c	Availability conditions			142	0.00	142	1
$d	Order number			79	0.00	79	1
$u	Uniform Resource Identifier			581	0.02	663	1	9	1.14	0.01
533 — Reproduction Note				59,346	1.62	59,348	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			273	0.01	273	1
$a	Type of reproduction			59,346	1.62	59,348	1	2	1.00	0.00
$b	Place of reproduction			59,162	1.62	59,162	1
$c	Agency responsible for reproduction			59,162	1.62	59,162	1
$d	Date of reproduction			59,162	1.62	59,162	1
$e	Physical description of reproduction			79	0.00	79	1
$m	Dates and/or sequential designation of issues reproduced			1	0.00	1	1
$n	Note about reproduction			59,161	1.62	118,322	2
$7	Fixed-length data elements of reproduction			59,071	1.62	59,071	1
534 — Original Version Note				496	0.01	496	1
$#	number/occurrence of field (in KBR version)			366	0.01	366	1
$a	Main entry of original			109	0.00	109	1
$b	Edition statement of original			2	0.00	2	1
$c	Publication, distribution, etc. of original			22	0.00	22	1
$e	Physical description, etc. of original			21	0.00	21	1
$l	Location of original			262	0.01	262	1
$p	Introductory phrase			169	0.00	169	1
$t	Title statement of original			13	0.00	13	1
535 — Location of Originals/Duplicates Note				1	0.00	1	1
$ind1	Custodial role			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Custodian			1	0.00	1	1
$b	Postal address			1	0.00	1	1
$c	Country			1	0.00	1	1
$g	Repository location code			1	0.00	1	1
536 — Funding Information Note				1,078	0.03	1,078	1
$#	number/occurrence of field (in KBR version)			874	0.02	874	1
$a	Text of note			1,078	0.03	1,078	1
538 — System Details Note				68,242	1.87	68,365	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			9,083	0.25	9,206	1	4	1.02	0.00
$a	System details note			68,242	1.87	68,365	1	4	1.01	0.00
540 — Terms Governing Use and Reproduction Note				239	0.01	239	1
$#	number/occurrence of field (in KBR version)			237	0.01	237	1
$a	Terms governing use and reproduction			239	0.01	239	1
$c	Authorization			23	0.00	23	1
$5	Institution to which field applies			23	0.00	23	1
541 — Immediate Source of Acquisition Note				70,408	1.93	70,525	1	3	1.01	0.00
$ind1	Privacy			70,408	1.93	70,525	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			11,247	0.31	11,364	1	3	1.02	0.00
$a	Source of acquisition			69,711	1.91	69,815	1	3	1.01	0.00
$b	Address			1,300	0.04	1,302	1	2	1.00	0.00
$c	Method of acquisition			1,708	0.05	1,710	1	2	1.00	0.00
$d	Date of acquisition			1,799	0.05	1,814	1	2	1.00	0.00
$e	Accession number			352	0.01	363	1	2	1.02	0.00
$f	Owner			29	0.00	29	1
$h	Purchase price			6	0.00	6	1
$n	Extent			5	0.00	5	1
$o	Type of unit			1	0.00	1	1
$3	Materials specified			4	0.00	4	1
542 — Information Relating to Copyright Status				332	0.01	332	1
$ind1	Privacy			332	0.01	332	1
$#	number/occurrence of field (in KBR version)			326	0.01	326	1
$c	Corporate creator			1	0.00	1	1
$l	Copyright status			214	0.01	214	1
$n	Note			214	0.01	214	1
$u	Uniform Resource Identifier			331	0.01	331	1
544 — Location of Other Archival Materials Note				207	0.01	207	1
$ind1	Relationship			207	0.01	207	1
$#	number/occurrence of field (in KBR version)			201	0.01	201	1
$a	Custodian			207	0.01	207	1
$b	Address			207	0.01	207	1
$c	Country			1	0.00	1	1
$d	Title			1	0.00	1	1
545 — Biographical or Historical Data				32	0.00	37	1	2	1.11	0.02
$ind1	Type of data			32	0.00	37	1	2	1.11	0.02
$#	number/occurrence of field (in KBR version)			9	0.00	12	1	2	1.15	0.04
$a	Biographical or historical data			30	0.00	35	1	2	1.12	0.02
$b	Expansion			2	0.00	2	1
546 — Language Note				4,086	0.11	4,156	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			3,385	0.09	3,397	1	3	1.01	0.00
$a	Language note			2,922	0.08	2,929	1	2	1.00	0.00
$b	Information code or alphabet			1,730	0.05	1,905	1	4	1.10	0.00
547 — Former Title Complexity Note				124	0.00	126	1	2	1.03	0.00
$#	number/occurrence of field (in KBR version)			15	0.00	16	1	2	1.04	0.01
$a	Former title complexity note			124	0.00	126	1	2	1.03	0.00
552 — Entity and Attribute Information Note				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$z	Display note			1	0.00	1	1
556 — Information About Documentation Note				1	0.00	1	1
$ind1	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Information about documentation note			1	0.00	1	1
561 — Ownership and Custodial History				9,253	0.25	10,167	1	7	1.47	0.00
$ind1	Privacy			9,253	0.25	10,167	1	7	1.47	0.00
$#	number/occurrence of field (in KBR version)			9,220	0.25	10,133	1	7	1.46	0.00
$a	History			9,247	0.25	10,160	1	7	1.47	0.00
$u	Uniform Resource Identifier			3	0.00	5	1	2	1.67	0.25
562 — Copy and Version Identification Note				136,349	3.73	172,972	1	8	1.20	0.00
$#	number/occurrence of field (in KBR version)			32,154	0.88	41,116	1	8	1.19	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Identifying markings			6,061	0.17	6,569	1	6	1.06	0.00
$b	Copy identification			130,026	3.56	166,448	1	9	1.22	0.00
$c	Version identification			300	0.01	302	1	2	1.00	0.00
$d	Presentation format			5	0.00	5	1
$e	Number of copies			536	0.01	541	1	2	1.01	0.00
563 — Binding Information				3,570	0.10	3,788	1	7	1.03	0.00
$#	number/occurrence of field (in KBR version)			3,057	0.08	3,274	1	4	1.06	0.00
$a	Binding note			3,568	0.10	3,788	1	7	1.03	0.00
$b				2	0.00	2	1
565 — Case File Characteristics Note				8	0.00	8	1
$ind1	Display constant controller			8	0.00	8	1
$#	number/occurrence of field (in KBR version)			8	0.00	8	1
$a	Number of cases/variables			7	0.00	7	1
$b	Name of variable			1	0.00	1	1
$e	Filing scheme or code			2	0.00	2	1
580 — Linking Entry Complexity Note				4,106	0.11	4,276	1	7	1.01	0.00
$#	number/occurrence of field (in KBR version)			1,783	0.05	1,808	1	7	1.01	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Linking entry complexity note			4,106	0.11	4,276	1	7	1.01	0.00
$6	Linkage			2	0.00	2	1
581 — Publications About Described Materials Note				5,704	0.16	6,230	1	4	1.04	0.00
$ind1	Display constant controller			5,704	0.16	6,230	1	4	1.04	0.00
$#	number/occurrence of field (in KBR version)			5,692	0.16	6,218	1	4	1.04	0.00
$@	Language of field (in KBR version)			2	0.00	6	1	4	1.01	0.01
$a	Publications about described materials note			5,666	0.16	6,192	1	4	1.04	0.00
$z	International Standard Book Number			25	0.00	25	1
583 — Action Note				4	0.00	4	1	3	1.03	0.00
$ind1	Privacy			4	0.00	4	1	3	1.03	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	4	1	3	1.03	0.00
$a	Action			2	0.00	2	1
$c	Time/date of action			1	0.00	1	1
$u	Uniform Resource Identifier			1	0.00	1	1
$2	Source of term			1	0.00	1	1	3	1.03	0.00
$5	Institution to which field applies			1	0.00	1	1	3	1.03	0.00
585 — Exhibitions Note				27	0.00	27	1
$#	number/occurrence of field (in KBR version)			27	0.00	27	1
$a	Exhibitions note			27	0.00	27	1
586 — Awards Note				198	0.01	215	1	3	1.09	0.01
$ind1	Display constant controller			198	0.01	215	1	3	1.09	0.01
$#	number/occurrence of field (in KBR version)			197	0.01	214	1	3	1.09	0.01
$a	Awards note			198	0.01	215	1	3	1.09	0.01
588 — Source of Description Note				89,342	2.44	89,388	1	3	1.00	0.00
$ind1	Display constant controller			89,342	2.44	89,388	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			73,934	2.02	73,980	1	3	1.00	0.00
$a	Source of description note			89,342	2.44	89,388	1	3	1.00	0.00
6XX: Subject Access
600 — Subject Added Entry - Personal Name				10,700	0.29	18,379	1	125	1.63	0.03
$ind1	Type of personal name entry element			10,700	0.29	18,379	1	125	1.63	0.03
$ind2	Thesaurus			10,700	0.29	18,379	1	125	1.63	0.03
$#	number/occurrence of field (in KBR version)			6,705	0.18	8,913	1	103	1.33	0.02
$*	Link with identifier (in KBR version)			10,700	0.29	18,379	1	125	1.63	0.03
$@	Language of field (in KBR version)			80	0.00	89	1	5	1.09	0.03
$a	Personal name			10,700	0.29	18,379	1	125	1.63	0.03
$b	Numeration			383	0.01	388	1	2	1.01	0.00
$c	Titles and other words associated with a name			5,167	0.14	8,541	1	118	1.61	0.04
$d	Dates associated with a name			8,795	0.24	12,350	1	57	1.36	0.01
$e	Relator term			2	0.00	2	1
$f	Date of a work			1	0.00	1	1
$g	Miscellaneous information			134	0.00	209	1	35	1.55	0.26
$j	Attribution qualifier			2	0.00	2	1
$n	Number of part/section of a work			3	0.00	3	1
$q	Fuller form of name			238	0.01	263	1	4	1.11	0.01
$t	Title of a work			26	0.00	31	1	4	1.19	0.11
$v	Form subdivision			43	0.00	57	1	3	1.34	0.04
$x	General subdivision			95	0.00	150	1	8	1.56	0.08
$y	Chronological subdivision			5	0.00	5	1
$z	Geographic subdivision			6	0.00	10	1	4	1.67	0.41
$0	Authority record control number or standard number			1	0.00	1	1
$1	Real World Object URI			8,166	0.22	11,221	1	66	1.34	0.01
$2	Source of heading or term			28	0.00	34	1	2	1.21	0.03
$4	Relationship			14	0.00	46	1	7	3.29	0.37
$6	Linkage			1	0.00	1	1
610 — Subject Added Entry - Corporate Name				406	0.01	461	1	19	1.18	0.04
$ind1	Type of corporate name entry element			406	0.01	461	1	19	1.18	0.04
$ind2	Thesaurus			406	0.01	461	1	19	1.18	0.04
$#	number/occurrence of field (in KBR version)			356	0.01	383	1	19	1.14	0.05
$*	Link with identifier (in KBR version)			406	0.01	461	1	19	1.18	0.04
$@	Language of field (in KBR version)			9	0.00	9	1
$a	Corporate name or jurisdiction name as entry element			406	0.01	461	1	19	1.18	0.04
$b	Subordinate unit			38	0.00	66	1	6	1.72	0.13
$c	Location of meeting			9	0.00	9	1
$d	Date of meeting or treaty signing			1	0.00	2	2	4	3.00	0.71
$g	Miscellaneous information			118	0.00	138	1	6	1.18	0.05
$k	Form subheading			1	0.00	1	1
$n	Number of part/section/meeting			3	0.00	3	1
$v	Form subdivision			17	0.00	20	1	3	1.18	0.12
$x	General subdivision			16	0.00	22	1	3	1.38	0.11
$y	Chronological subdivision			2	0.00	2	1
$z	Geographic subdivision			2	0.00	4	1	3	2.00	0.71
$1	Real World Object URI			6	0.00	12	1	5	2.00	0.55
$2	Source of heading or term			7	0.00	8	1	2	1.14	0.12
$4	Relationship			1	0.00	1	1
611 — Subject Added Entry - Meeting Name				11	0.00	14	1	2	1.27	0.07
$ind1	Type of meeting name entry element			11	0.00	14	1	2	1.27	0.07
$ind2	Thesaurus			11	0.00	14	1	2	1.27	0.07
$#	number/occurrence of field (in KBR version)			6	0.00	7	1	2	1.17	0.14
$*	Link with identifier (in KBR version)			11	0.00	14	1	2	1.27	0.07
$a	Meeting name or jurisdiction name as entry element			11	0.00	14	1	2	1.27	0.07
$c	Location of meeting			1	0.00	1	1
$d	Date of meeting or treaty signing			2	0.00	2	1
$0	Authority record control number or standard number			7	0.00	10	1	2	1.43	0.10
$2	Source of heading or term			8	0.00	11	1	2	1.38	0.09
630 — Subject Added Entry - Uniform Title				29	0.00	49	1	8	1.69	0.25
$ind1	Nonfiling characters			29	0.00	49	1	8	1.69	0.25
$ind2	Thesaurus			29	0.00	49	1	8	1.69	0.25
$#	number/occurrence of field (in KBR version)			10	0.00	19	1	5	1.90	0.34
$*	Link with identifier (in KBR version)			29	0.00	49	1	8	1.69	0.25
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Uniform title			29	0.00	49	1	8	1.69	0.25
$k	Form subheading			2	0.00	6	2	4	3.00	0.71
$l	Language of a work			3	0.00	3	1
$p	Name of part/section of a work			23	0.00	37	1	5	1.61	0.19
$v	Form subdivision			5	0.00	8	1	3	1.60	0.31
$x	General subdivision			23	0.00	46	1	7	2.00	0.27
$y	Chronological subdivision			3	0.00	4	1	2	1.33	0.25
$0	Authority record control number or standard number			1	0.00	1	1
$2	Source of heading or term			2	0.00	2	1
648 — Subject Added Entry - Chronological Term				2,731	0.07	4,014	1	6	1.39	0.00
$ind2	Thesaurus			2,731	0.07	4,014	1	6	1.39	0.00
$#	number/occurrence of field (in KBR version)			190	0.01	275	1	4	1.39	0.00
$*	Link with identifier (in KBR version)			2,731	0.07	4,014	1	6	1.39	0.00
$a	Chronological term			2,731	0.07	4,014	1	6	1.39	0.00
$2	Source of heading or term			22	0.00	22	1
650 — Subject Added Entry - Topical Term				461,753	12.63	1,204,397	1	81	2.46	0.00
$ind1	Level of subject			461,753	12.63	1,204,397	1	81	2.46	0.00
$ind2	Thesaurus			461,753	12.63	1,204,397	1	81	2.46	0.00
$#	number/occurrence of field (in KBR version)			23,174	0.63	44,782	1	81	1.76	0.00
$*	Link with identifier (in KBR version)			461,753	12.63	1,204,551	1	81	2.47	0.00
$@	Language of field (in KBR version)			7,108	0.19	11,892	1	51	1.52	0.00
$a	Topical term or geographic name entry element			461,751	12.63	1,204,549	1	81	2.47	0.00
$b	Topical term following geographic name entry element			10,082	0.28	10,206	1	5	1.01	0.00
$c	Location of event			1	0.00	1	1	2	1.03	0.03
$g	Miscellaneous information			351,753	9.62	1,018,573	1	81	2.77	0.00
$v	Form subdivision			9,885	0.27	10,095	1	12	1.02	0.00
$x	General subdivision			2,322	0.06	3,714	1	16	1.63	0.01
$y	Chronological subdivision			2,361	0.06	2,526	1	8	1.07	0.00
$z	Geographic subdivision			972	0.03	1,729	1	10	1.77	0.01
$0	Authority record control number or standard number			1	0.00	2	1	3	1.50	0.28
$1	Real World Object URI			1	0.00	1	1
$2	Source of heading or term			346,754	9.49	1,022,630	1	81	2.82	0.00
651 — Subject Added Entry - Geographic Name				5,252	0.14	7,150	1	16	1.09	0.00
$ind2	Thesaurus			5,252	0.14	7,150	1	16	1.09	0.00
$#	number/occurrence of field (in KBR version)			3,283	0.09	4,106	1	16	1.10	0.00
$*	Link with identifier (in KBR version)			5,252	0.14	7,150	1	16	1.09	0.00
$@	Language of field (in KBR version)			1,009	0.03	1,200	1	6	1.11	0.00
$a	Geographic name			5,252	0.14	7,150	1	16	1.09	0.00
$g	Miscellaneous information			3	0.00	13	2	7	4.33	1.19
$v	Form subdivision			893	0.02	2,969	1	12	2.47	0.00
$x	General subdivision			708	0.02	2,225	1	16	2.40	0.01
$y	Chronological subdivision			108	0.00	154	1	8	1.41	0.08
$z	Geographic subdivision			23	0.00	31	1	6	1.52	0.18
$0	Authority record control number or standard number			10	0.00	11	1	2	1.01	0.01
$2	Source of heading or term			33	0.00	60	1	7	1.82	0.21
653 — Index Term - Uncontrolled				790,459	21.63	6,986,665	1	255	7.20	0.00
$ind1	Level of index term			790,459	21.63	6,986,665	1	255	7.20	0.00
$ind2	Type of term or name			790,459	21.63	6,986,665	1	255	7.20	0.00
$#	number/occurrence of field (in KBR version)			28,237	0.77	39,583	1	61	1.06	0.00
$@	Language of field (in KBR version)			370,259	10.13	6,407,735	1	255	17.28	0.00
$a	Uncontrolled term			790,459	21.63	6,986,902	1	255	7.20	0.00
654 — Subject Added Entry - Faceted Topical Terms				198,456	5.43	409,365	1	34	1.92	0.00
$ind1	Level of subject			198,456	5.43	409,365	1	34	1.92	0.00
$#	number/occurrence of field (in KBR version)			3,960	0.11	5,880	1	13	1.42	0.00
$*	Link with identifier (in KBR version)			198,456	5.43	473,871	1	66	2.19	0.00
$@	Language of field (in KBR version)			1,787	0.05	2,705	1	13	1.39	0.00
$a	Focus term			198,456	5.43	473,871	1	66	2.19	0.00
$b	Non-focus term			180,745	4.95	572,914	1	62	2.91	0.00
$v	Form subdivision			120	0.00	166	1	5	1.38	0.04
$x				47	0.00	97	1	18	2.41	0.02
$y	Chronological subdivision			4,039	0.11	4,645	1	10	1.14	0.00
$z	Geographic subdivision			628	0.02	976	1	11	1.53	0.02
$0	Authority record control number or standard number			20	0.00	25	1	2	1.25	0.04
$2	Source of heading or term			197,557	5.41	408,065	1	34	1.92	0.00
655 — Index Term - Genre/Form				32,816	0.90	37,661	1	12	1.42	0.00
$ind1	Type of heading			32,816	0.90	37,661	1	12	1.42	0.00
$ind2	Thesaurus			32,816	0.90	37,661	1	12	1.42	0.00
$#	number/occurrence of field (in KBR version)			29,113	0.80	30,950	1	5	1.17	0.00
$*	Link with identifier (in KBR version)			32,816	0.90	37,661	1	12	1.42	0.00
$@	Language of field (in KBR version)			4,306	0.12	5,579	1	4	1.51	0.00
$a	Genre/form data or focus term			32,816	0.90	37,661	1	12	1.42	0.00
$v	Form subdivision			39	0.00	39	1
$x	General subdivision			27	0.00	55	1	4	1.96	0.05
$y	Chronological subdivision			78	0.00	81	1	3	1.05	0.02
$z	Geographic subdivision			36	0.00	36	1
$0	Authority record control number			12,078	0.33	12,955	1	7	1.06	0.00
$1	Real World Object URI			158	0.00	158	1
$2	Source of term			6,218	0.17	6,244	1	12	1.01	0.00
70X-75X: Added Entry
700 — Added Entry - Personal Name				924,792	25.30	1,937,857	1	128	2.16	0.00
$ind1	Type of personal name entry element			924,792	25.30	1,937,857	1	128	2.16	0.00
$ind2	Type of added entry			924,792	25.30	1,937,857	1	128	2.16	0.00
$#	number/occurrence of field (in KBR version)			334,758	9.16	523,825	1	128	1.67	0.00
$*	Link with identifier (in KBR version)			924,792	25.30	1,937,887	1	128	2.16	0.00
$@	Language of field (in KBR version)			750	0.02	799	1	4	1.31	0.00
$a	Personal name			924,791	25.30	1,937,884	1	128	2.16	0.00
$b	Numeration			16,698	0.46	18,090	1	26	1.09	0.00
$c	Titles and other words associated with a name			326,676	8.94	454,887	1	90	1.54	0.00
$d	Dates associated with a name			637,255	17.44	973,811	1	124	1.66	0.00
$e	Relator term			98	0.00	150	1	4	1.53	0.03
$g	Miscellaneous information			12,630	0.35	13,975	1	14	1.12	0.00
$i	Relationship information			2	0.00	5	1	4	2.50	1.06
$j	Attribution qualifier			2,175	0.06	2,530	1	7	1.16	0.00
$k	Form subheading			3	0.00	5	1	2	1.67	0.25
$l	Language of a work			622	0.02	706	1	9	1.13	0.01
$n	Number of part/section of a work			1	0.00	1	1
$q	Fuller form of name			35,036	0.96	37,380	1	8	1.06	0.00
$s	Version			3	0.00	3	1
$t	Title of a work			7	0.00	13	1	5	1.75	0.42
$0	Authority record control number or standard number			29	0.00	42	1	4	1.38	0.09
$1	Real World Object URI			710,953	19.45	1,259,483	1	116	1.84	0.00
$3	Materials specified			109	0.00	153	1	3	1.40	0.02
$4	Relationship			614,352	16.81	1,313,356	1	128	2.19	0.00
$5	Institution to which field applies			4	0.00	5	1	2	1.25	0.20
$6	Linkage			22	0.00	32	1	3	1.45	0.08
710 — Added Entry - Corporate Name				1,168,162	31.96	1,304,745	1	28	1.13	0.00
$ind1	Type of corporate name entry element			1,168,162	31.96	1,304,745	1	28	1.13	0.00
$ind2	Type of added entry			1,168,162	31.96	1,304,745	1	28	1.13	0.00
$#	number/occurrence of field (in KBR version)			243,840	6.67	271,259	1	28	1.14	0.00
$*	Link with identifier (in KBR version)			1,168,162	31.96	1,304,740	1	28	1.13	0.00
$@	Language of field (in KBR version)			57,688	1.58	62,131	1	18	1.11	0.00
$a	Corporate name or jurisdiction name as entry element			1,167,880	31.96	1,304,270	1	28	1.13	0.00
$b	Subordinate unit			148,505	4.06	179,743	1	10	1.21	0.00
$c	Location of meeting			122,758	3.36	129,411	1	8	1.07	0.00
$d	Date of meeting or treaty signing			22,960	0.63	24,570	1	14	1.07	0.00
$e	Relator term			18	0.00	30	1	5	1.67	0.20
$f	Date of a work			1	0.00	1	1	2	1.25	0.20
$g	Miscellaneous information			778,845	21.31	855,736	1	27	1.10	0.00
$i	Relationship information			1	0.00	1	1
$l	Language of a work			6,587	0.18	7,190	1	7	1.09	0.00
$o	Arranged statement for music			1	0.00	1	1
$1	Real World Object URI			91,329	2.50	91,619	1	4	1.00	0.00
$3	Materials specified			1	0.00	1	1
$4	Relationship			1,102,313	30.16	1,227,893	1	28	1.12	0.00
$6	Linkage			4	0.00	4	1
711 — Added Entry - Meeting Name				9,845	0.27	10,290	1	5	1.05	0.00
$ind1	Type of meeting name entry element			9,845	0.27	10,290	1	5	1.05	0.00
$ind2	Type of added entry			9,845	0.27	10,290	1	5	1.05	0.00
$#	number/occurrence of field (in KBR version)			37	0.00	40	1	2	1.08	0.02
$*	Link with identifier (in KBR version)			9,845	0.27	10,290	1	5	1.05	0.00
$@	Language of field (in KBR version)			8	0.00	11	1	2	1.33	0.08
$a	Meeting name or jurisdiction name as entry element			9,845	0.27	10,290	1	5	1.05	0.00
$c	Location of meeting			20	0.00	22	1	2	1.10	0.05
$d	Date of meeting or treaty signing			4,216	0.12	4,380	1	5	1.04	0.00
$n	Number of part/section/meeting			17	0.00	18	1	2	1.06	0.06
$4	Relationship			13	0.00	13	1
720 — Added Entry - Uncontrolled Name				82,531	2.26	106,301	1	35	1.29	0.00
$ind1	Type of name			82,531	2.26	106,301	1	35	1.29	0.00
$#	number/occurrence of field (in KBR version)			36,686	1.00	52,287	1	35	1.43	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Name			82,529	2.26	106,291	1	35	1.29	0.00
$e	Relator term			365	0.01	671	1	12	1.84	0.04
$4	Relationship			37,213	1.02	52,994	1	35	1.42	0.00
730 — Added Entry - Uniform Title				3,329	0.09	4,425	1	11	1.31	0.00
$ind1	Nonfiling characters			3,329	0.09	4,425	1	11	1.31	0.00
$ind2	Type of added entry			3,329	0.09	4,425	1	11	1.31	0.00
$#	number/occurrence of field (in KBR version)			1,722	0.05	2,539	1	11	1.50	0.01
$*	Link with identifier (in KBR version)			3,329	0.09	4,425	1	11	1.31	0.00
$@	Language of field (in KBR version)			10	0.00	15	1	2	1.50	0.07
$a	Uniform title			3,329	0.09	4,425	1	11	1.31	0.00
$d	Date of treaty signing			13	0.00	14	1	2	1.08	0.07
$f	Date of a work			159	0.00	203	1	6	1.28	0.03
$i	Relationship information			3	0.00	3	1
$k	Form subheading			13	0.00	24	1	2	1.85	0.07
$l	Language of a work			563	0.02	1,029	1	11	1.82	0.02
$n	Number of part/section of a work			18	0.00	18	1
$p	Name of part/section of a work			21	0.00	26	1	2	1.27	0.04
$s	Version			2	0.00	2	1
$t	Title of a work			7	0.00	7	1
$4	Relationship			1	0.00	1	1
740 — Added Entry - Uncontrolled Related/Analytical Title				34	0.00	77	1	10	1.04	0.01
$ind1	Nonfiling characters			34	0.00	77	1	10	1.04	0.01
$ind2	Type of added entry			34	0.00	77	1	10	1.04	0.01
$#	number/occurrence of field (in KBR version)			10	0.00	10	1
$a	Uncontrolled related/analytical title			34	0.00	77	1	10	1.04	0.01
751 — Added Entry - Geographic Name				2,657	0.07	2,866	1	4	1.08	0.00
$#	number/occurrence of field (in KBR version)			2,518	0.07	2,716	1	4	1.08	0.00
$*	Link with identifier (in KBR version)			2,657	0.07	2,866	1	4	1.08	0.00
$@	Language of field (in KBR version)			582	0.02	629	1	3	1.08	0.00
$a	Geographic name			2,657	0.07	2,866	1	4	1.08	0.00
$e	Relator term			1	0.00	1	1
$4	Relationship			2,572	0.07	2,776	1	4	1.08	0.00
752 — Added Entry - Hierarchical Place Name				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$*	Link with identifier (in KBR version)			2	0.00	2	1
$a	Country or larger entity			2	0.00	2	1
$b	First-order political jurisdiction			1	0.00	1	1
$d	City			1	0.00	1	1
$4	Relationship			1	0.00	1	1
758 — Resource Identifier				13,522	0.37	13,522	1
$#	number/occurrence of field (in KBR version)			77	0.00	77	1
$a	Label			13,522	0.37	13,522	1
$i	Relationship information			13,522	0.37	13,522	1
$4	Relationship			13,522	0.37	13,522	1
76X-78X: Linking Entry
760 — Main Series Entry				1	0.00	1	1
$ind1	Note controller			1	0.00	1	1
$ind2	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$a	Main entry heading			1	0.00	1	1
$t	Title			1	0.00	1	1
765 — Original Language Entry				5,297	0.14	5,517	1	10	1.04	0.00
$ind1	Note controller			5,297	0.14	5,517	1	10	1.04	0.00
$ind2	Display constant controller			5,297	0.14	5,517	1	10	1.04	0.00
$#	number/occurrence of field (in KBR version)			4,547	0.12	4,733	1	10	1.04	0.00
$*	Link with identifier (in KBR version)			5,297	0.14	5,517	1	10	1.04	0.00
$a	Main entry heading			2,867	0.08	2,999	1	10	1.05	0.00
$d	Place, publisher, and date of publication			3	0.00	3	1
$g	Related parts			12	0.00	12	1
$h	Physical description			1	0.00	1	1
$i	Relationship information			2	0.00	2	1
$o	Other item identifier			1	0.00	1	1
$t	Title			5,297	0.14	5,517	1	10	1.04	0.00
$w	Record control number			3	0.00	4	1	2	1.33	0.25
$z	International Standard Book Number			3,768	0.10	3,954	1	10	1.05	0.00
767 — Translation Entry				3,381	0.09	4,048	1	10	1.20	0.00
$ind1	Note controller			3,381	0.09	4,048	1	10	1.20	0.00
$ind2	Display constant controller			3,381	0.09	4,048	1	10	1.20	0.00
$#	number/occurrence of field (in KBR version)			2,343	0.06	2,869	1	10	1.22	0.00
$*	Link with identifier (in KBR version)			3,381	0.09	4,048	1	10	1.20	0.00
$a	Main entry heading			1,481	0.04	1,739	1	10	1.17	0.01
$g	Related parts			16	0.00	16	1
$i	Relationship information			1	0.00	1	1
$t	Title			3,381	0.09	4,048	1	10	1.20	0.00
$z	International Standard Book Number			2,003	0.05	2,450	1	5	1.22	0.00
770 — Supplement/Special Issue Entry				107	0.00	139	1	10	1.28	0.03
$ind1	Note controller			107	0.00	139	1	10	1.28	0.03
$ind2	Display constant controller			107	0.00	139	1	10	1.28	0.03
$#	number/occurrence of field (in KBR version)			70	0.00	99	1	10	1.37	0.08
$*	Link with identifier (in KBR version)			107	0.00	139	1	10	1.28	0.03
$a	Main entry heading			16	0.00	16	1
$g	Related parts			10	0.00	10	1	2	1.11	0.03
$t	Title			107	0.00	139	1	10	1.28	0.03
$z	International Standard Book Number			15	0.00	15	1
772 — Supplement Parent Entry				7,393	0.20	7,396	1	9	1.01	0.00
$ind1	Note controller			7,393	0.20	7,396	1	9	1.01	0.00
$ind2	Display constant controller			7,393	0.20	7,396	1	9	1.01	0.00
$#	number/occurrence of field (in KBR version)			253	0.01	256	1	2	1.02	0.00
$*	Link with identifier (in KBR version)			7,393	0.20	7,396	1	9	1.01	0.00
$a	Main entry heading			953	0.03	953	1
$g	Related parts			7,166	0.20	12,595	1	2	1.75	0.00
$k	Series data for related item			1	0.00	1	1
$t	Title			7,392	0.20	7,395	1	9	1.01	0.00
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			123	0.00	123	1
773 — Host Item Entry				604,611	16.54	631,053	1	13	1.04	0.00
$ind1	Note controller			604,611	16.54	631,053	1	13	1.04	0.00
$ind2	Display constant controller			604,611	16.54	631,053	1	13	1.04	0.00
$#	number/occurrence of field (in KBR version)			331,872	9.08	346,953	1	13	1.04	0.00
$*	Link with identifier (in KBR version)			604,611	16.54	631,077	1	13	1.04	0.00
$@	Language of field (in KBR version)			4	0.00	4	1
$a	Main entry heading			120,185	3.29	121,785	1	5	1.01	0.00
$b	Edition			39,341	1.08	40,536	1	3	1.03	0.00
$d	Place, publisher, and date of publication			1	0.00	1	1
$g	Related parts			518,787	14.20	540,016	1	13	1.04	0.00
$h	Physical description			2,900	0.08	2,922	1	2	1.00	0.00
$i	Relationship information			940	0.03	963	1	4	1.02	0.00
$n	Note			68,420	1.87	69,036	1	4	1.01	0.00
$o	Other item identifier			1	0.00	1	1
$r	Report number			13	0.00	13	1
$t	Title			604,611	16.54	631,077	1	13	1.04	0.00
$x	International Standard Serial Number			18	0.00	18	1
$z	International Standard Book Number			8,764	0.24	8,836	1	6	1.01	0.00
$0				10	0.00	17	1	2	1.70	0.08
$6	Linkage			12	0.00	21	1	2	1.75	0.07
774 — Constituent Unit Entry				1	0.00	1	1
$ind1	Note controller			1	0.00	1	1
$ind2	Display constant controller			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$t	Title			1	0.00	1	1
775 — Other Edition Entry				27,728	0.76	56,663	1	12	1.79	0.00
$ind1	Note controller			27,728	0.76	56,663	1	12	1.79	0.00
$ind2	Display constant controller			27,728	0.76	56,663	1	12	1.79	0.00
$#	number/occurrence of field (in KBR version)			19,790	0.54	44,906	1	12	2.10	0.00
$*	Link with identifier (in KBR version)			27,728	0.76	56,674	1	14	1.79	0.00
$a	Main entry heading			12,110	0.33	24,382	1	12	2.00	0.00
$b	Edition			4	0.00	5	1	2	1.25	0.20
$c	Qualifying information			8	0.00	16	1	3	2.00	0.18
$e	Language code			87	0.00	467	1	10	5.37	0.09
$g	Related parts			2,110	0.06	2,146	1	4	1.02	0.00
$i	Relationship information			15,390	0.42	32,698	1	14	1.74	0.00
$m	Material-specific details			3	0.00	3	1
$o	Other item identifier			1	0.00	1	1
$t	Title			27,728	0.76	56,674	1	14	1.79	0.00
$w	Record control number			1	0.00	1	1	2	1.50	0.35
$z	International Standard Book Number			18,460	0.51	40,916	1	14	2.11	0.00
776 — Additional Physical Form Entry				14,361	0.39	14,651	1	8	1.03	0.00
$ind1	Note controller			14,361	0.39	14,651	1	8	1.03	0.00
$ind2	Display constant controller			14,361	0.39	14,651	1	8	1.03	0.00
$#	number/occurrence of field (in KBR version)			11,409	0.31	11,692	1	8	1.04	0.00
$*	Link with identifier (in KBR version)			14,361	0.39	14,651	1	8	1.03	0.00
$a	Main entry heading			5,924	0.16	6,021	1	8	1.03	0.00
$b	Edition			12	0.00	12	1
$d	Place, publisher, and date of publication			111	0.00	111	1
$g	Related parts			177	0.00	178	1	2	1.01	0.01
$h	Physical description			170	0.00	170	1	2	1.01	0.00
$i	Relationship information			8,117	0.22	8,319	1	8	1.09	0.00
$k	Series data for related item			1	0.00	2	2
$n	Note			1	0.00	1	1
$t	Title			14,361	0.39	14,651	1	8	1.03	0.00
$w	Record control number			119	0.00	119	1
$z	International Standard Book Number			6,761	0.18	6,955	1	8	1.04	0.00
777 — Issued With Entry				486	0.01	627	1	11	1.25	0.02
$ind1	Note controller			486	0.01	627	1	11	1.25	0.02
$ind2	Display constant controller			486	0.01	627	1	11	1.25	0.02
$#	number/occurrence of field (in KBR version)			298	0.01	369	1	11	1.21	0.03
$*	Link with identifier (in KBR version)			486	0.01	627	1	11	1.25	0.02
$a	Main entry heading			244	0.01	342	1	11	1.37	0.05
$g	Related parts			55	0.00	55	1	3	1.09	0.02
$t	Title			486	0.01	627	1	11	1.25	0.02
780 — Preceding Entry				909	0.02	943	1	9	1.06	0.00
$ind1	Note controller			909	0.02	943	1	9	1.06	0.00
$ind2	Type of relationship			909	0.02	943	1	9	1.06	0.00
$#	number/occurrence of field (in KBR version)			309	0.01	324	1	7	1.06	0.00
$*	Link with identifier (in KBR version)			909	0.02	943	1	9	1.06	0.00
$a	Main entry heading			164	0.00	170	1	2	1.02	0.00
$g	Related parts			33	0.00	34	1	2	1.06	0.01
$t	Title			909	0.02	943	1	9	1.06	0.00
$z	International Standard Book Number			101	0.00	108	1	2	1.06	0.01
785 — Succeeding Entry				814	0.02	864	1	15	1.06	0.00
$ind1	Note controller			814	0.02	864	1	15	1.06	0.00
$ind2	Type of relationship			814	0.02	864	1	15	1.06	0.00
$#	number/occurrence of field (in KBR version)			261	0.01	283	1	7	1.05	0.00
$*	Link with identifier (in KBR version)			814	0.02	864	1	15	1.06	0.00
$a	Main entry heading			144	0.00	146	1	2	1.01	0.00
$g	Related parts			30	0.00	32	1	2	1.08	0.01
$t	Title			814	0.02	864	1	15	1.06	0.00
$z	International Standard Book Number			84	0.00	88	1	2	1.04	0.01
786 — Data Source Entry				672	0.02	1,019	1	4	1.26	0.00
$ind1	Note controller			672	0.02	1,019	1	4	1.26	0.00
$ind2	Display constant controller			672	0.02	1,019	1	4	1.26	0.00
$#	number/occurrence of field (in KBR version)			670	0.02	1,017	1	4	1.27	0.00
$*	Link with identifier (in KBR version)			672	0.02	1,019	1	4	1.26	0.00
$a	Main entry heading			317	0.01	319	1	4	1.05	0.00
$g	Related parts			659	0.02	1,104	1	5	1.39	0.00
$t	Title			672	0.02	1,019	1	4	1.26	0.00
$z	International Standard Book Number			488	0.01	762	1	3	1.12	0.00
787 — Other Relationship Entry				1,598	0.04	1,901	1	7	1.13	0.00
$ind1	Note controller			1,598	0.04	1,901	1	7	1.13	0.00
$ind2	Display constant controller			1,598	0.04	1,901	1	7	1.13	0.00
$#	number/occurrence of field (in KBR version)			838	0.02	1,001	1	7	1.09	0.00
$*	Link with identifier (in KBR version)			1,598	0.04	1,906	1	7	1.13	0.00
$a	Main entry heading			424	0.01	506	1	7	1.16	0.00
$g	Related parts			884	0.02	966	1	4	1.09	0.00
$i	Relationship information			728	0.02	834	1	4	1.11	0.00
$n	Note			1	0.00	1	1
$t	Title			1,598	0.04	1,906	1	7	1.13	0.00
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			601	0.02	688	1	7	1.13	0.00
80X-83X: Series Added Entry
800 — Series Added Entry - Personal Name				1,858	0.05	1,859	1	2	1.00	0.00
$ind1	Type of personal name entry element			1,858	0.05	1,859	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			107	0.00	107	1
$*	Link with identifier (in KBR version)			1,858	0.05	1,859	1	2	1.00	0.00
$a	Personal name			1,858	0.05	1,859	1	2	1.00	0.00
$c	Titles and other words associated with a name			59	0.00	65	1	2	1.06	0.01
$d	Dates associated with a name			214	0.01	214	1
$e	Relator term			1	0.00	1	1
$f	Date of a work			5	0.00	5	1
$g	Miscellaneous information			2	0.00	2	1
$k	Form subheading			1	0.00	1	1
$q	Fuller form of name			15	0.00	15	1
$s	Version			1	0.00	1	1
$t	Title of a work			17	0.00	17	1
$v	Volume/sequential designation			7	0.00	7	1
$3	Materials specified			4	0.00	4	1
810 — Series Added Entry - Corporate Name				1	0.00	1	1
$ind1	Type of corporate name entry element			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$a	Corporate name or jurisdiction name as entry element			1	0.00	1	1
$t	Title of a work			1	0.00	1	1
$v	Volume/sequential designation			1	0.00	1	1
830 — Series Added Entry - Uniform Title				312	0.01	667	1	20	2.11	0.13
$ind2	Nonfiling characters			312	0.01	667	1	20	2.11	0.13
$#	number/occurrence of field (in KBR version)			300	0.01	655	1	20	2.16	0.14
$*	Link with identifier (in KBR version)			312	0.01	667	1	20	2.11	0.13
$a	Uniform title			312	0.01	667	1	20	2.11	0.13
$n	Number of part/section of a work			2	0.00	2	1
$p	Name of part/section of a work			14	0.00	14	1
$v	Volume/sequential designation			153	0.00	162	1	2	1.06	0.01
$x	International Standard Serial Number			21	0.00	24	1	2	1.14	0.04
841-88X: Holdings, Location, Alternate Graphics
850 — Holding Institution				295	0.01	295	1
$#	number/occurrence of field (in KBR version)			295	0.01	295	1
$a	Holding institution			295	0.01	295	1
852 — Location				427,562	11.70	434,002	1	54	1.01	0.00
$ind1	Shelving scheme			427,562	11.70	434,002	1	54	1.01	0.00
$ind2	Shelving order			427,562	11.70	434,002	1	54	1.01	0.00
$#	number/occurrence of field (in KBR version)			33,716	0.92	33,745	1	4	1.00	0.00
$@	Language of field (in KBR version)			38	0.00	38	1
$a	Location			393,960	10.78	400,399	1	54	1.02	0.00
$b	Sublocation or collection			393,962	10.78	400,364	1	54	1.02	0.00
$c	Shelving location			414,263	11.34	420,636	1	54	1.01	0.00
$d	Former shelving location			13,326	0.36	13,331	1	4	1.00	0.00
$e	Address			155,008	4.24	161,248	1	54	1.04	0.00
$h	Classification part			391,742	10.72	398,103	1	54	1.02	0.00
$i	Item part			40	0.00	42	1	4	1.12	0.08
$j	Shelving control number			8	0.00	8	1	4	1.33	0.30
$p	Piece designation			393,955	10.78	400,327	1	54	1.02	0.00
$q	Piece physical condition			155,008	4.24	161,248	1	54	1.04	0.00
$t	Copy number			393,948	10.78	400,320	1	54	1.02	0.00
$x	Nonpublic note			6	0.00	6	1
856 — Electronic Location and Access				125,088	3.42	129,602	1	46	1.05	0.00
$ind1	Access method			125,088	3.42	129,602	1	46	1.05	0.00
$ind2	Relationship			125,088	3.42	129,602	1	46	1.05	0.00
$#	number/occurrence of field (in KBR version)			28,672	0.78	30,332	1	45	1.04	0.00
$i				8	0.00	8	1	3	1.12	0.09
$k				35	0.00	35	1
$l	Standardized information governing access			7	0.00	7	1
$n	Terms governing access			22	0.00	27	1	2	1.24	0.03
$q	Electronic format type			11	0.00	11	1
$u	Uniform Resource Identifier			124,993	3.42	129,857	1	46	1.05	0.00
$x	Nonpublic note			4,915	0.13	4,919	1	5	1.00	0.00
$y	Link text			2,243	0.06	4,145	1	46	1.89	0.03
$z	Public note			61,181	1.67	61,285	1	10	1.01	0.00
$3	Materials specified			122	0.00	224	1	4	1.71	0.02
$7	Access status			34,365	0.94	37,924	1	46	1.08	0.00
880 — Alternate Graphic Representation				3,194	0.09	3,753	1	8	1.18	0.00
$#	number/occurrence of field (in KBR version)			3,192	0.09	3,747	1	8	1.17	0.00
$a	Same as associated field			3,183	0.09	3,742	1	8	1.18	0.00
$b	Same as associated field			558	0.02	789	1	4	1.41	0.01
$c	Same as associated field			684	0.02	1,044	1	3	1.53	0.00
$d	Same as associated field			1	0.00	1	1
$e	Same as associated field			1	0.00	2	2
$g	Same as associated field			2	0.00	2	1
$h	Same as associated field			2	0.00	2	1
$i	Same as associated field			1	0.00	3	3
$l	Same as associated field			2	0.00	2	1
$n	Same as associated field			178	0.00	189	1	3	1.06	0.01
$p	Same as associated field			39	0.00	44	1	3	1.13	0.05
$t	Same as associated field			1	0.00	1	1
$v	Same as associated field			9	0.00	15	1	2	1.67	0.08
$z	Same as associated field			1	0.00	1	1
$6	Linkage			3,175	0.09	3,722	1	8	1.17	0.00
883 — Metadata Provenance				1	0.00	1	1
$ind1	Method of assignment			1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Creation process			1	0.00	1	1
$c	Confidence value			1	0.00	1	1
$d	Creation date			1	0.00	1	1
$q	Assigning or generation agency			1	0.00	1	1
884 — Description Conversion Information				7	0.00	7	1
$#	number/occurrence of field (in KBR version)			7	0.00	7	1
$a	Conversion process			7	0.00	7	1
$g	Conversion date			7	0.00	7	1
$k	Identifier of source metadata			7	0.00	7	1
$q	Conversion agency			7	0.00	7	1
886 — Foreign MARC Information Field				8	0.00	14	1	3	1.75	0.18
$ind1	Type of field			8	0.00	14	1	3	1.75	0.18
$#	number/occurrence of field (in KBR version)			8	0.00	14	1	3	1.75	0.18
$a	Tag of the foreign MARC field			8	0.00	42	2	11	5.25	0.99
$b	Content of the foreign MARC field			8	0.00	14	1	3	1.75	0.18
$c				2	0.00	5	2	3	2.50	0.35
$f				1	0.00	1	1
$h				4	0.00	7	1	3	1.75	0.37
$k				1	0.00	1	1
$r				1	0.00	1	1
$x				6	0.00	25	1	9	4.17	1.01
$z				6	0.00	12	1	3	2.00	0.24
$2	Source of data			8	0.00	14	1	3	1.75	0.18
Holdings: MARC Holdings tags
866 — Textual Holdings-Basic Bibliographic Unit				1,303	0.04	1,598	1	8	1.68	0.00
$ind1	Field encoding level			1,303	0.04	1,598	1	8	1.68	0.00
$ind2	Type of notation			1,303	0.04	1,598	1	8	1.68	0.00
$#	number/occurrence of field (in KBR version)			425	0.01	551	1	6	1.63	0.00
$a	Textual holdings			1,300	0.04	1,595	1	8	1.68	0.00
$x	Nonpublic note			410	0.01	675	1	7	1.73	0.00
$z	Public note			76	0.00	76	1	4	1.03	0.02
Locally defined tags of the Royal Library of Belgium
997 — Item information				2,453,977	67.15	2,826,543	1	254	1.12	0.00
$#	number/occurrence of field			75,265	2.06	100,807	1	19	1.31	0.00
$*	Link with identifier			2,453,977	67.15	2,826,547	1	254	1.12	0.00
$a	Barcode number			2,453,977	67.15	2,826,543	1	254	1.12	0.00
$c	Library (holding institution)			2,453,976	67.15	2,826,549	1	254	1.12	0.00
$d	Section (department of holding institution)			2,453,977	67.15	2,826,551	1	254	1.12	0.00
$g	Call Number			2,384,755	65.25	2,754,175	1	254	1.12	0.00
$h	Rating2			1,396	0.04	1,416	1	3	1.01	0.00
$i	Rating3			1	0.00	1	1
$t	Document type			2,453,976	67.15	2,824,500	1	254	1.12	0.00
$v				862	0.02	899	1	6	1.04	0.00
unknown origin
853				603	0.02	609	1	4	1.03	0.00
$a				603	0.02	609	1	4	1.03	0.00
$b				603	0.02	609	1	4	1.03	0.00
$c				603	0.02	609	1	4	1.03	0.00
$h				603	0.02	609	1	4	1.03	0.00
$l				603	0.02	609	1	4	1.03	0.00
901				1	0.00	1	1
914				17	0.00	17	1
$#				7	0.00	7	1
$*				17	0.00	17	1
$a				17	0.00	17	1
$e				17	0.00	17	1
$f				16	0.00	16	1
981				33	0.00	33	1
$#				33	0.00	33	1
$a				33	0.00	33	1
$c				33	0.00	66	2