QA catalogue for analysing library data

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

number of records: 480,365

Fields		fields	pos./subf.		count	%
Fields defined in MARC21
00X	Control Fields	3	39		480,365	100.00
01X-09X	Numbers and Code	21	79		217,834	45.35
1XX	Main Entry	3	29		62,400	12.99
20X-24X	Title	7	53		480,359	100.00
25X-28X	Edition, Imprint	7	26		472,627	98.39
3XX	Physical Description	13	51		203,913	42.45
4XX	Series Statement	1	5		3,235	0.67
5XX	Note	24	72		43,793	9.12
6XX	Subject Access	7	61		53,860	11.21
70X-75X	Added Entry	7	52		123,248	25.66
76X-78X	Linking Entry	12	108		316,042	65.79
80X-83X	Series Added Entry	1	7		21	0.00
841-88X	Holdings, Location, Alternate Graphics	2	26		14,233	2.96
Holdings	MARC Holdings tags	1	6		65,527	13.64
Fields defined in extensions of MARC
KBR	Locally defined tags of the Royal Library of Belgium	1	9		238,350	49.62
unknown	unknown origin	4	16		2,038	0.42
Total number of data elements		114	639

				records		occurences
				count	%	count	min	max	⌀	σ
00X: Control Fields
Leader
00	Record length			480,365	100.00	480,365	1
05	Record status			480,365	100.00	480,365	1
06	Type of record			480,365	100.00	480,365	1
07	Bibliographic level			480,365	100.00	480,365	1
08	Type of control			480,365	100.00	480,365	1
09	Character coding scheme			480,365	100.00	480,365	1
10	Indicator count			480,365	100.00	480,365	1
11	Subfield code count			480,365	100.00	480,365	1
12	Base address of data			480,365	100.00	480,365	1
17	Encoding level			480,365	100.00	480,365	1
18	Descriptive cataloging form			480,365	100.00	480,365	1
19	Multipart resource record level			480,365	100.00	480,365	1
20	Length of the length-of-field portion			480,365	100.00	480,365	1
21	Length of the starting-character-position portion			480,365	100.00	480,365	1
22	Length of the implementation-defined portion			480,365	100.00	480,365	1
23	Undefined			480,365	100.00	480,365	1
001 — Control Number				480,365	100.00	480,365	1
003 — Control Number Identifier				1	0.00	1	1
005 — Date and Time of Latest Transaction				2,317	0.48	2,317	1
007 — Physical Description
Common
00	Category of material			97,912	20.38	97,916	1	2	1.08	0.00
Electronic resource
01	Specific material designation			17,289	3.60	17,290	1	2	1.40	0.00
Notated music
01	Specific material designation			2	0.00	2	1
Text
01	Specific material designation			80,621	16.78	80,624	1	2	1.00	0.00
008 — General Information
All Materials
00	Date entered on file			276,130	57.48	276,130	1
06	Type of date/Publication status			276,130	57.48	276,130	1
07	Date 1			276,130	57.48	276,130	1
11	Date 2			276,126	57.48	276,126	1
15	Place of publication, production, or execution			276,109	57.48	276,109	1
35	Language			275,497	57.35	275,497	1
38	Modified record			275,304	57.31	275,304	1
39	Cataloging source			275,192	57.29	275,192	1
Continuing Resources
18	Frequency			276,108	57.48	276,108	1
19	Regularity			276,108	57.48	276,108	1
21	Type of continuing resource			276,107	57.48	276,107	1
22	Form of original item			276,107	57.48	276,107	1
23	Form of item			276,088	57.47	276,088	1
24	Nature of entire work			275,934	57.44	275,934	1
25	Nature of contents			275,934	57.44	275,934	1
28	Government publication			275,934	57.44	275,934	1
29	Conference publication			275,934	57.44	275,934	1
33	Original alphabet or script of title			275,927	57.44	275,927	1
34	Entry convention			275,927	57.44	275,927	1
01X-09X: Numbers and Code
010 — Library of Congress Control Number				3	0.00	3	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	LC control number			3	0.00	3	1
016 — National Bibliographic Agency Control Number				1	0.00	1	1	2	1.01	0.00
$ind1	National bibliographic agency			1	0.00	1	1	2	1.01	0.00
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	2	1.01	0.00
$a	Record control number			1	0.00	1	1	2	1.01	0.00
$2	Source			1	0.00	1	1	2	1.01	0.00
017 — Copyright or Legal Deposit Number				1,729	0.36	1,769	1	254	1.02	0.00
$ind2	Display constant controller			1,729	0.36	1,769	1	254	1.02	0.00
$#	number/occurrence of field (in KBR version)			929	0.19	930	1	46	1.02	0.00
$a	Copyright or legal deposit number			1,723	0.36	1,763	1	254	1.02	0.00
$b	Assigning agency			27	0.01	27	1	5	1.00	0.00
$z	Canceled/invalid copyright or legal deposit number			6	0.00	6	1	4	1.01	0.00
020 — International Standard Book Number				16,346	3.40	17,185	1	200	1.04	0.00
$#	number/occurrence of field (in KBR version)			6,281	1.31	6,842	1	85	1.04	0.00
$a	International Standard Book Number			7,581	1.58	8,386	1	100	1.05	0.00
$c	Terms of availability			9,099	1.89	9,106	1	64	1.01	0.00
$q	Qualifying information			4,692	0.98	5,331	1	85	1.12	0.00
$z	Canceled/invalid ISBN			192	0.04	218	1	100	1.08	0.01
022 — International Standard Serial Number				85,069	17.71	85,497	1	49	1.01	0.00
$ind1	Level of international interest			85,069	17.71	85,497	1	49	1.01	0.00
$#	number/occurrence of field (in KBR version)			29,836	6.21	30,106	1	4	1.01	0.00
$a	International Standard Serial Number			84,602	17.61	84,872	1	49	1.00	0.00
$l	ISSN-L			13	0.00	13	1
$m	Canceled ISSN-L			2	0.00	2	1
$y	Incorrect ISSN			641	0.13	645	1	2	1.01	0.00
$z	Canceled ISSN			8	0.00	8	1
024 — Other Standard Identifier				2	0.00	2	1	11	1.01	0.00
$ind1	Type of standard number or code			2	0.00	2	1	11	1.01	0.00
$ind2	Difference indicator			2	0.00	2	1	11	1.01	0.00
$z	Canceled/invalid standard number or code			2	0.00	2	1	4	1.14	0.01
026 — Fingerprint Identifier				10	0.00	10	1	2	1.00	0.00
$c	Date			10	0.00	10	1	2	1.00	0.00
$e	Unparsed fingerprint			10	0.00	10	1	2	1.00	0.00
028 — Publisher or Distributor Number				17	0.00	17	1	21	1.46	0.00
$ind1	Type of number			17	0.00	17	1	21	1.46	0.00
$ind2	Note/added entry controller			17	0.00	17	1	21	1.46	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	4	1	21	1.71	0.00
$a	Publisher or distributor number			17	0.00	17	1	21	1.46	0.00
$b	Source			1	0.00	1	1	3	1.00	0.00
032 — Postal Registration Number				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Postal registration number			1	0.00	1	1
$b	Source agency assigning number			1	0.00	1	1
035 — System Control Number				18,381	3.83	18,551	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			297	0.06	300	1	4	1.04	0.00
$a	System control number			18,381	3.83	18,551	1	4	1.00	0.00
040 — Cataloging Source				214,394	44.63	214,396	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			61,251	12.75	61,253	1	4	1.00	0.00
$a	Original cataloging agency			211,621	44.05	211,624	1	4	1.00	0.00
$b	Language of cataloging			12,899	2.69	12,899	1	4	1.00	0.00
$c	Transcribing agency			3	0.00	3	1
$d	Modifying agency			7	0.00	10	1	30	1.25	0.01
$e	Description conventions			3,341	0.70	3,341	1	4	1.00	0.00
041 — Language Code				135,012	28.11	135,187	1	9	1.00	0.00
$ind1	Translation indication			135,012	28.11	135,187	1	9	1.00	0.00
$ind2	Source of code			135,012	28.11	135,187	1	9	1.00	0.00
$#	number/occurrence of field (in KBR version)			49,153	10.23	49,228	1	9	1.00	0.00
$a	Language code of text/sound track or separate title			135,012	28.11	145,978	1	16	1.03	0.00
$h	Language code of original			44	0.01	44	1	4	1.00	0.00
$2	Source of code			1	0.00	1	1
042 — Authentication Code				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Authentication code			2	0.00	2	1	2	1.01	0.00
043 — Geographic Area Code				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Geographic area code			2	0.00	3	1	6	1.16	0.00
044 — Country of Publishing/Producing Entity Code				129,220	26.90	129,221	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			46,728	9.73	46,729	1	4	1.00	0.00
$@	Language of field (in KBR version)			1	0.00	1	1
$a	MARC country code			129,217	26.90	132,330	1	8	1.03	0.00
047 — Form of Musical Composition Code				7	0.00	7	1
$ind2	Source of code			7	0.00	7	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Form of musical composition code			7	0.00	7	1	6	1.14	0.00
050 — Library of Congress Call Number				15	0.00	15	1	2	1.05	0.00
$ind1	Existence in LC collection			15	0.00	15	1	2	1.05	0.00
$ind2	Source of call number			15	0.00	15	1	2	1.05	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	4	1	2	1.03	0.00
$a	Classification number			15	0.00	15	1	2	1.05	0.00
$b	Item number			2	0.00	2	1	2	1.14	0.00
072 — Subject Category Code				4	0.00	4	1	3	1.15	0.02
$ind2	Code source			4	0.00	4	1	3	1.15	0.02
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	3	1.30	0.04
$a	Subject category code			4	0.00	4	1	3	1.15	0.02
080 — Universal Decimal Classification Number				6,046	1.26	6,918	1	4	1.06	0.00
$ind1	Type of edition			6,046	1.26	6,918	1	4	1.06	0.00
$#	number/occurrence of field (in KBR version)			421	0.09	502	1	4	1.08	0.00
$a	Universal Decimal Classification number			6,046	1.26	6,918	1	4	1.06	0.00
$2	Edition identifier			1	0.00	1	1	4	1.35	0.02
082 — Dewey Decimal Classification Number				198	0.04	211	1	4	1.04	0.00
$ind1	Type of edition			198	0.04	211	1	4	1.04	0.00
$ind2	Source of classification number			198	0.04	211	1	4	1.04	0.00
$#	number/occurrence of field (in KBR version)			5	0.00	5	1	2	1.01	0.00
$a	Classification number			198	0.04	211	1	4	1.04	0.00
$2	Edition information			1	0.00	1	1	2	1.00	0.00
084 — Other Classificaton Number				708	0.15	1,506	1	6	1.54	0.00
$#	number/occurrence of field (in KBR version)			126	0.03	277	1	5	1.55	0.00
$a	Classification number			708	0.15	1,506	1	6	1.54	0.00
1XX: Main Entry
100 — Main Entry - Personal Name				7,023	1.46	7,023	1	4	1.00	0.00
$ind1	Type of personal name entry element			7,023	1.46	7,023	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			666	0.14	666	1	4	1.00	0.00
$*	Link with identifier (in KBR version)			7,023	1.46	7,023	1	4	1.00	0.00
$a	Personal name			7,023	1.46	7,023	1	4	1.00	0.00
$b	Numeration			11	0.00	11	1	2	1.00	0.00
$c	Titles and words associated with a name			1,152	0.24	1,183	1	9	1.03	0.00
$d	Dates associated with a name			2,472	0.51	2,472	1	4	1.00	0.00
$g	Miscellaneous information			41	0.01	41	1	2	1.00	0.00
$j	Attribution qualifier			1	0.00	1	1
$l	Language of a work			23	0.00	23	1
$q	Fuller form of name			105	0.02	105	1	3	1.00	0.00
$1	Real World Object URI			3,094	0.64	3,094	1	4	1.00	0.00
$4	Relationship			2,814	0.59	2,823	1	6	1.03	0.00
110 — Main Entry - Corporate Name				55,382	11.53	55,390	1	4	1.00	0.00
$ind1	Type of corporate name entry element			55,382	11.53	55,390	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			5,705	1.19	5,711	1	4	1.02	0.00
$*	Link with identifier (in KBR version)			55,382	11.53	55,390	1	4	1.00	0.00
$@	Language of field (in KBR version)			2,573	0.54	2,575	1	3	1.02	0.00
$a	Corporate name or jurisdiction name as entry element			55,382	11.53	55,390	1	4	1.00	0.00
$b	Subordinate unit			7,729	1.61	9,185	1	5	1.22	0.00
$c	Location of meeting			4,994	1.04	4,994	1	3	1.01	0.00
$d	Date of meeting or treaty signing			167	0.03	167	1
$g	Miscellaneous information			52,313	10.89	52,372	1	4	1.00	0.00
$l	Language of a work			1,204	0.25	1,204	1
$1	Real World Object URI			177	0.04	177	1	2	1.00	0.00
$4	Relationship			1,875	0.39	1,879	1	6	1.20	0.00
111 — Main Entry - Meeting Name				10	0.00	10	1
$ind1	Type of meeting name entry element			10	0.00	10	1
$*	Link with identifier (in KBR version)			10	0.00	10	1
$a	Meeting name or jurisdiction name as entry element			10	0.00	10	1
$d	Date of meeting or treaty signing			1	0.00	1	1	2	1.00	0.00
20X-24X: Title
210 — Abbreviated Title				8,058	1.68	15,937	1	10	1.90	0.00
$ind1	Title added entry			8,058	1.68	15,937	1	10	1.90	0.00
$ind2	Type			8,058	1.68	15,937	1	10	1.90	0.00
$#	number/occurrence of field (in KBR version)			3,600	0.75	7,685	1	10	2.09	0.00
$a	Abbreviated title			8,058	1.68	15,937	1	10	1.90	0.00
$b	Qualifying information			5	0.00	5	1
222 — Key Title				3	0.00	3	1
$ind2	Nonfiling characters			3	0.00	3	1
$#	number/occurrence of field (in KBR version)			3	0.00	3	1
$a	Key title			3	0.00	3	1
$b	Qualifying information			1	0.00	1	1
240 — Uniform Title				123	0.03	123	1
$ind1	Uniform title printed or displayed			123	0.03	123	1
$ind2	Nonfiling characters			123	0.03	123	1
$#	number/occurrence of field (in KBR version)			12	0.00	12	1
$*	Link with identifier (in KBR version)			123	0.03	125	1	2	1.00	0.00
$@	Language of field (in KBR version)			2	0.00	2	1
$a	Uniform title			123	0.03	125	1	2	1.00	0.00
$l	Language of a work			33	0.01	33	1
$p	Name of part/section of a work			1	0.00	1	1
242 — Translation of Title by Cataloging Agency				57	0.01	59	1	6	1.05	0.00
$ind1	Title added entry			57	0.01	59	1	6	1.05	0.00
$ind2	Nonfiling characters			57	0.01	59	1	6	1.05	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	4	1	2	1.17	0.00
$a	Title			57	0.01	59	1	6	1.05	0.00
$b	Remainder of title			6	0.00	6	1
$y	Language code of translated title			12	0.00	12	1	2	1.01	0.00
245 — Title Statement				480,359	100.00	480,364	1	4	1.01	0.00
$ind1	Title added entry			480,359	100.00	480,364	1	4	1.01	0.00
$ind2	Nonfiling characters			480,359	100.00	480,364	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			182,262	37.94	182,267	1	4	1.03	0.00
$@	Language of field (in KBR version)			2	0.00	2	1	3	1.05	0.00
$a	Title			480,359	100.00	480,364	1	9	1.01	0.00
$b	Remainder of title			73,440	15.29	73,476	1	10	1.00	0.00
$c	Statement of responsibility, etc.			64,106	13.35	64,106	1	4	1.00	0.00
$f	Inclusive dates			3	0.00	3	1
$h	Medium			2,915	0.61	2,915	1	3	1.00	0.00
$n	Number of part/section of a work			266,378	55.45	266,854	1	30	1.06	0.00
$p	Name of part/section of a work			265,345	55.24	265,522	1	48	1.05	0.00
$s	Version			1	0.00	1	1
$6	Linkage			1	0.00	1	1
246 — Varying Form of Title				20,747	4.32	24,369	1	24	1.15	0.00
$ind1	Note/added entry controller			20,747	4.32	24,369	1	24	1.15	0.00
$ind2	Type of title			20,747	4.32	24,369	1	24	1.15	0.00
$#	number/occurrence of field (in KBR version)			6,872	1.43	8,191	1	24	1.22	0.00
$a	Title proper/short title			20,718	4.31	24,332	1	24	1.15	0.00
$b	Remainder of title			3,303	0.69	3,675	1	8	1.08	0.00
$f	Date or sequential designation			8	0.00	11	1	3	1.27	0.17
$g	Miscellaneous information			93	0.02	145	1	8	1.06	0.00
$i	Display text			190	0.04	193	1	21	1.02	0.00
$n	Number of part/section of a work			40	0.01	44	1	18	1.14	0.02
$p	Name of part/section of a work			19	0.00	20	1	17	1.19	0.02
247 — Former Title				18	0.00	18	1	5	1.04	0.00
$ind1	Title added entry			18	0.00	18	1	5	1.04	0.00
$ind2	Note controller			18	0.00	18	1	5	1.04	0.00
$#	number/occurrence of field (in KBR version)			18	0.00	18	1	3	1.04	0.01
$a	Title			18	0.00	18	1	5	1.04	0.00
$b	Remainder of title			1	0.00	1	1
$f	Date or sequential designation			2	0.00	2	1	3	1.02	0.00
$x	International Standard Serial Number			1	0.00	1	1
25X-28X: Edition, Imprint
250 — Edition Statement				24,650	5.13	24,713	1	4	1.00	0.00
$#	number/occurrence of field (in KBR version)			5,643	1.17	5,662	1	4	1.02	0.00
$a	Edition statement			24,650	5.13	24,713	1	4	1.00	0.00
$b	Remainder of edition statement			68	0.01	68	1	2	1.00	0.00
254 — Musical Presentation Statement				125	0.03	125	1
$#	number/occurrence of field (in KBR version)			29	0.01	29	1
$a	Musical presentation statement			125	0.03	125	1	2	1.00	0.00
255 — Cartographic Mathematical Data				4,951	1.03	4,951	1	5	1.00	0.00
$#	number/occurrence of field (in KBR version)			88	0.02	88	1	4	1.00	0.00
$a	Statement of scale			4,951	1.03	4,951	1	5	1.00	0.00
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)				262,286	54.60	262,286	1	2	1.00	0.00
$ind1	Sequence of publishing statements			262,286	54.60	262,286	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			12	0.00	12	1
$a	Place of publication, distribution, etc.			1	0.00	1	1	4	1.21	0.06
$b	Name of publisher, distributor, etc.			1	0.00	1	1	2	1.01	0.01
$c	Date of publication, distribution, etc.			262,285	54.60	262,285	1
264 — Production, Publication, Distribution, Manufacture, and Copyright Notice				210,329	43.79	249,625	1	33	1.05	0.00
$ind1	Sequence of statements			210,329	43.79	249,625	1	33	1.05	0.00
$ind2	Function of entity			210,329	43.79	249,625	1	33	1.05	0.00
$#	number/occurrence of field (in KBR version)			63,760	13.27	68,116	1	30	1.07	0.00
$@	Language of field (in KBR version)			18	0.00	22	1	3	1.01	0.00
$a	Place of production, publication, distribution, manufacture			191,000	39.76	206,078	1	22	1.12	0.00
$b	Name of producer, publisher, distributor, manufacturer			171,085	35.62	182,438	1	28	1.05	0.00
$c	Date of production, publication, distribution, manufacture, or copyright notice			193,792	40.34	233,941	1	32	1.05	0.00
270 — Address				1	0.00	1	1	4	1.45	0.13
$ind1	Level			1	0.00	1	1	4	1.45	0.13
$ind2	Type of address			1	0.00	1	1	4	1.45	0.13
$a	Address			1	0.00	1	1
$b	City			1	0.00	1	1
$c	State or province			1	0.00	1	1	4	1.45	0.13
3XX: Physical Description
300 — Physical Description				132,946	27.68	133,189	1	11	1.03	0.00
$#	number/occurrence of field (in KBR version)			39,100	8.14	39,173	1	10	1.05	0.00
$a	Extent			27,179	5.66	27,188	1	10	1.00	0.00
$b	Other physical details			74,366	15.48	74,484	1	11	1.01	0.00
$c	Dimensions			116,864	24.33	116,920	1	4	1.00	0.00
$e	Accompanying material			7,306	1.52	7,306	1	4	1.00	0.00
306 — Playing Time				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Playing time			2	0.00	2	1	6	1.02	0.01
310 — Current Publication Frequency				105,111	21.88	105,111	1
$#	number/occurrence of field (in KBR version)			28,401	5.91	28,401	1
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Current publication frequency			105,110	21.88	105,110	1
$b	Date of current publication frequency			116	0.02	116	1
321 — Former Publication Frequency				158	0.03	177	1	4	1.11	0.02
$#	number/occurrence of field (in KBR version)			152	0.03	167	1	2	1.09	0.01
$a	Former publication frequency			158	0.03	177	1	4	1.11	0.02
$b	Dates of former publication frequency			85	0.02	104	1	4	1.21	0.03
336 — Content Type				14,632	3.05	14,654	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			11,567	2.41	11,589	1	3	1.00	0.00
$a	Content type term			14,632	3.05	15,582	1	6	1.20	0.00
$2	Source			4,676	0.97	4,688	1	3	1.00	0.00
337 — Media Type				14,506	3.02	14,506	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			11,448	2.38	11,448	1	2	1.00	0.00
$a	Media type term			14,506	3.02	14,506	1	2	1.00	0.00
$2	Source			4,665	0.97	4,665	1	2	1.00	0.00
338 — Carrier Type				16,356	3.40	16,356	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			13,239	2.76	13,239	1	2	1.00	0.00
$a	Carrier type term			16,356	3.40	16,356	1	2	1.00	0.00
$b	Carrier type code			6	0.00	6	1	2	1.00	0.00
$2	Source			4,197	0.87	4,197	1	2	1.00	0.00
340 — Physical Medium				26	0.01	28	1	8	1.02	0.00
$#	number/occurrence of field (in KBR version)			20	0.00	20	1	5	1.01	0.00
$a	Material base and configuration			7	0.00	9	1	8	1.07	0.00
$l	Binding			19	0.00	19	1	2	1.00	0.00
347 — Digital File Characteristics				12,306	2.56	12,416	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			12,285	2.56	12,395	1	2	1.00	0.00
$a	File type			2,363	0.49	2,363	1
$b	Encoding format			10,050	2.09	10,054	1	2	1.00	0.00
$c	File size			1	0.00	1	1
348 — Notated Music Characteristics				1	0.00	1	1
$#	number/occurrence of field (in KBR version)			1	0.00	1	1
$a	Format of notated music term			1	0.00	1	1	2	1.42	0.04
$b	Format of notated music code			1	0.00	1	1	2	1.67	0.25
$c	Form of musical notation term			1	0.00	1	1
362 — Dates of Publication and/or Sequential Designation				156,756	32.63	157,104	1	3	1.00	0.00
$ind1	Format of date			156,756	32.63	157,104	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			38,719	8.06	39,066	1	3	1.01	0.00
$a	Dates of publication and/or sequential designation			156,749	32.63	157,097	1	4	1.00	0.00
$z	Source of information			334	0.07	677	1	3	2.01	0.00
363 — Normalized Date and Sequential Designation				1	0.00	1	1
$ind1	Start/End designator			1	0.00	1	1
$ind2	State of issuance			1	0.00	1	1
$a	First level of enumeration			1	0.00	1	1
365 — Trade Price				21,427	4.46	21,480	1	3	1.00	0.00
$ind1	Start/End designator			21,427	4.46	21,480	1	3	1.00	0.00
$ind2	State of issuance			21,427	4.46	21,480	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			4,444	0.93	4,470	1	3	1.01	0.00
$a	Price type code			12	0.00	12	1
$b	Price amount			13,690	2.85	13,704	1	3	1.00	0.00
$c	Currency code			5	0.00	8	1	3	1.43	0.25
$e	Price note			7,729	1.61	7,768	1	3	1.01	0.00
$f	Price effective from			3	0.00	6	1	3	2.00	0.47
$g	Price effective until			3	0.00	6	1	3	2.00	0.47
4XX: Series Statement
490 — Series Statement				3,235	0.67	3,250	1	5	1.02	0.00
$ind1	Series tracing policy			3,235	0.67	3,250	1	5	1.02	0.00
$#	number/occurrence of field (in KBR version)			2,349	0.49	2,350	1	4	1.04	0.00
$a	Series statement			3,147	0.66	3,250	1	5	1.02	0.00
$v	Volume/sequential designation			1,308	0.27	1,329	1	8	1.32	0.00
$x	International Standard Serial Number			8	0.00	8	1	2	1.01	0.00
5XX: Note
500 — General Note				28,336	5.90	37,572	1	76	1.42	0.00
$#	number/occurrence of field (in KBR version)			10,513	2.19	16,620	1	76	1.32	0.00
$a	General note			28,336	5.90	37,586	1	76	1.42	0.00
501 — With Note				8	0.00	8	1	2	1.01	0.00
$#	number/occurrence of field (in KBR version)			7	0.00	7	1
$a	With note			8	0.00	8	1	2	1.01	0.00
502 — Dissertation Note				21	0.00	21	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			2	0.00	2	1	2	1.00	0.00
$a	Dissertation note			21	0.00	21	1	2	1.00	0.00
$b	Degree type			21	0.00	21	1	2	1.00	0.00
504 — Bibliography, etc. Note				29	0.01	29	1	6	1.01	0.00
$#	number/occurrence of field (in KBR version)			29	0.01	29	1	6	1.01	0.00
$a	Bibliography, etc. note			29	0.01	29	1	6	1.01	0.00
505 — Formatted Contents Note				1,536	0.32	10,520	1	214	2.68	0.01
$ind1	Display constant controller			1,536	0.32	10,520	1	214	2.68	0.01
$ind2	Level of content designation			1,536	0.32	10,520	1	214	2.68	0.01
$#	number/occurrence of field (in KBR version)			182	0.04	556	1	214	2.42	0.05
$a	Formatted contents note			69	0.01	256	1	35	1.32	0.01
$g	Miscellaneous information			1	0.00	2	1	212	25.15	1.22
$r	Statement of responsibility			312	0.06	1,859	1	63	4.84	0.04
$t	Title			1,519	0.32	10,455	1	214	4.19	0.02
506 — Restrictions on Access Note				9,719	2.02	9,727	1	3	1.03	0.00
$ind1	Restriction			9,719	2.02	9,727	1	3	1.03	0.00
$#	number/occurrence of field (in KBR version)			8,950	1.86	8,958	1	3	1.14	0.00
$a	Terms governing access			9,719	2.02	9,727	1	3	1.03	0.00
$c	Physical access provisions			9,705	2.02	9,710	1	2	1.00	0.00
$d	Authorized users			9,686	2.02	9,691	1	2	1.00	0.00
$f	Standardized terminology for access restriction			14	0.00	14	1
510 — Citation/References Note				40	0.01	44	1	10	1.13	0.00
$ind1	Coverage/location in source			40	0.01	44	1	10	1.13	0.00
$#	number/occurrence of field (in KBR version)			8	0.00	11	1	10	1.12	0.00
$a	Name of source			40	0.01	44	1	10	1.13	0.00
511 — Participant or Performer Note				153	0.03	191	1	20	1.15	0.00
$ind1	Display constant controller			153	0.03	191	1	20	1.15	0.00
$#	number/occurrence of field (in KBR version)			14	0.00	17	1	6	1.15	0.00
$a	Participant or performer note			153	0.03	191	1	20	1.15	0.00
515 — Numbering Peculiarities Note				9	0.00	9	1
$#	number/occurrence of field (in KBR version)			8	0.00	8	1
$a	Numbering peculiarities note			9	0.00	9	1
520 — Summary, etc.				7,917	1.65	7,923	1	7	1.02	0.00
$ind1	Display constant controller			7,917	1.65	7,923	1	7	1.02	0.00
$#	number/occurrence of field (in KBR version)			7,613	1.58	7,617	1	5	1.00	0.00
$a	Summary, etc.			7,917	1.65	7,923	1	7	1.02	0.00
$c	Assigning source			1	0.00	1	1	2	1.05	0.00
525 — Supplement Note				12	0.00	12	1
$#	number/occurrence of field (in KBR version)			12	0.00	12	1
$a	Supplement note			12	0.00	12	1
530 — Additional Physical Form available Note				879	0.18	922	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			432	0.09	450	1	3	1.01	0.00
$a	Additional physical form available note			879	0.18	922	1	4	1.01	0.00
$u	Uniform Resource Identifier			213	0.04	241	1	9	1.14	0.01
534 — Original Version Note				9	0.00	9	1
$#	number/occurrence of field (in KBR version)			8	0.00	8	1
$e	Physical description, etc. of original			9	0.00	9	1
536 — Funding Information Note				7	0.00	7	1
$#	number/occurrence of field (in KBR version)			7	0.00	7	1
$a	Text of note			7	0.00	7	1
538 — System Details Note				9,706	2.02	10,050	1	4	1.01	0.00
$#	number/occurrence of field (in KBR version)			9,605	2.00	9,949	1	4	1.02	0.00
$a	System details note			9,706	2.02	10,050	1	4	1.01	0.00
541 — Immediate Source of Acquisition Note				9,866	2.05	10,207	1	3	1.01	0.00
$ind1	Privacy			9,866	2.05	10,207	1	3	1.01	0.00
$#	number/occurrence of field (in KBR version)			9,699	2.02	10,038	1	3	1.02	0.00
$a	Source of acquisition			9,864	2.05	10,205	1	3	1.01	0.00
$c	Method of acquisition			3	0.00	3	1	2	1.00	0.00
$d	Date of acquisition			18	0.00	18	1	2	1.00	0.00
$e	Accession number			2	0.00	2	1	2	1.02	0.00
$h	Purchase price			1	0.00	1	1
546 — Language Note				4	0.00	4	1	4	1.02	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	4	1	3	1.01	0.00
$a	Language note			4	0.00	4	1	2	1.00	0.00
547 — Former Title Complexity Note				388	0.08	402	1	2	1.03	0.00
$#	number/occurrence of field (in KBR version)			106	0.02	110	1	2	1.04	0.01
$a	Former title complexity note			388	0.08	402	1	2	1.03	0.00
550 — Issuing Body Note				2	0.00	2	1
$#	number/occurrence of field (in KBR version)			2	0.00	2	1
$a	Issuing body note			2	0.00	2	1
561 — Ownership and Custodial History				670	0.14	679	1	7	1.47	0.00
$ind1	Privacy			670	0.14	679	1	7	1.47	0.00
$#	number/occurrence of field (in KBR version)			183	0.04	185	1	7	1.46	0.00
$a	History			670	0.14	679	1	7	1.47	0.00
562 — Copy and Version Identification Note				1,386	0.29	1,622	1	8	1.20	0.00
$#	number/occurrence of field (in KBR version)			153	0.03	188	1	8	1.19	0.00
$a	Identifying markings			23	0.00	28	1	6	1.06	0.00
$b	Copy identification			1,364	0.28	1,594	1	9	1.22	0.00
563 — Binding Information				7	0.00	7	1	7	1.03	0.00
$#	number/occurrence of field (in KBR version)			7	0.00	7	1	4	1.06	0.00
$a	Binding note			7	0.00	7	1	7	1.03	0.00
580 — Linking Entry Complexity Note				8,281	1.72	8,290	1	7	1.01	0.00
$#	number/occurrence of field (in KBR version)			766	0.16	775	1	7	1.01	0.00
$a	Linking entry complexity note			8,272	1.72	8,281	1	7	1.01	0.00
$6	Linkage			97	0.02	97	1
588 — Source of Description Note				3	0.00	4	1	3	1.00	0.00
$ind1	Display constant controller			3	0.00	4	1	3	1.00	0.00
$#	number/occurrence of field (in KBR version)			2	0.00	2	1	3	1.00	0.00
$a	Source of description note			3	0.00	4	1	3	1.00	0.00
6XX: Subject Access
600 — Subject Added Entry - Personal Name				124	0.03	257	1	125	1.63	0.03
$ind1	Type of personal name entry element			124	0.03	257	1	125	1.63	0.03
$ind2	Thesaurus			124	0.03	257	1	125	1.63	0.03
$#	number/occurrence of field (in KBR version)			94	0.02	216	1	103	1.33	0.02
$*	Link with identifier (in KBR version)			124	0.03	257	1	125	1.63	0.03
$@	Language of field (in KBR version)			10	0.00	10	1	5	1.09	0.03
$a	Personal name			124	0.03	257	1	125	1.63	0.03
$b	Numeration			1	0.00	1	1	2	1.01	0.00
$c	Titles and other words associated with a name			75	0.02	159	1	118	1.61	0.04
$d	Dates associated with a name			111	0.02	191	1	57	1.36	0.01
$1	Real World Object URI			107	0.02	175	1	66	1.34	0.01
610 — Subject Added Entry - Corporate Name				6	0.00	7	1	19	1.18	0.04
$ind1	Type of corporate name entry element			6	0.00	7	1	19	1.18	0.04
$ind2	Thesaurus			6	0.00	7	1	19	1.18	0.04
$#	number/occurrence of field (in KBR version)			6	0.00	7	1	19	1.14	0.05
$*	Link with identifier (in KBR version)			6	0.00	7	1	19	1.18	0.04
$@	Language of field (in KBR version)			1	0.00	1	1
$a	Corporate name or jurisdiction name as entry element			6	0.00	7	1	19	1.18	0.04
$g	Miscellaneous information			4	0.00	5	1	6	1.18	0.05
650 — Subject Added Entry - Topical Term				47,856	9.96	102,243	1	81	2.46	0.00
$ind1	Level of subject			47,856	9.96	102,243	1	81	2.46	0.00
$ind2	Thesaurus			47,856	9.96	102,243	1	81	2.46	0.00
$#	number/occurrence of field (in KBR version)			1,881	0.39	3,258	1	81	1.76	0.00
$*	Link with identifier (in KBR version)			47,856	9.96	108,498	1	81	2.47	0.00
$@	Language of field (in KBR version)			1,600	0.33	2,569	1	51	1.52	0.00
$a	Topical term or geographic name entry element			47,856	9.96	108,498	1	81	2.47	0.00
$b	Topical term following geographic name entry element			193	0.04	194	1	5	1.01	0.00
$g	Miscellaneous information			43,839	9.13	95,426	1	81	2.77	0.00
$v	Form subdivision			191	0.04	192	1	12	1.02	0.00
$x	General subdivision			98	0.02	285	1	16	1.63	0.01
$y	Chronological subdivision			34	0.01	36	1	8	1.07	0.00
$z	Geographic subdivision			3	0.00	5	1	10	1.77	0.01
$2	Source of heading or term			43,542	9.06	95,257	1	81	2.82	0.00
651 — Subject Added Entry - Geographic Name				103	0.02	141	1	16	1.09	0.00
$ind2	Thesaurus			103	0.02	141	1	16	1.09	0.00
$#	number/occurrence of field (in KBR version)			97	0.02	135	1	16	1.10	0.00
$*	Link with identifier (in KBR version)			103	0.02	141	1	16	1.09	0.00
$@	Language of field (in KBR version)			52	0.01	61	1	6	1.11	0.00
$a	Geographic name			103	0.02	141	1	16	1.09	0.00
$v	Form subdivision			4	0.00	4	1	12	2.47	0.00
$x	General subdivision			7	0.00	7	1	16	2.40	0.01
$y	Chronological subdivision			3	0.00	3	1	8	1.41	0.08
653 — Index Term - Uncontrolled				11,463	2.39	20,493	1	255	7.20	0.00
$ind1	Level of index term			11,463	2.39	20,493	1	255	7.20	0.00
$ind2	Type of term or name			11,463	2.39	20,493	1	255	7.20	0.00
$#	number/occurrence of field (in KBR version)			78	0.02	81	1	61	1.06	0.00
$@	Language of field (in KBR version)			1,202	0.25	9,547	1	255	17.28	0.00
$a	Uncontrolled term			11,463	2.39	20,493	1	255	7.20	0.00
654 — Subject Added Entry - Faceted Topical Terms				2,990	0.62	4,489	1	34	1.92	0.00
$ind1	Level of subject			2,990	0.62	4,489	1	34	1.92	0.00
$#	number/occurrence of field (in KBR version)			178	0.04	256	1	13	1.42	0.00
$*	Link with identifier (in KBR version)			2,990	0.62	4,832	1	66	2.19	0.00
$@	Language of field (in KBR version)			175	0.04	250	1	13	1.39	0.00
$a	Focus term			2,990	0.62	4,832	1	66	2.19	0.00
$b	Non-focus term			2,842	0.59	5,742	1	62	2.91	0.00
$x				33	0.01	88	1	18	2.41	0.02
$y	Chronological subdivision			36	0.01	40	1	10	1.14	0.00
$z	Geographic subdivision			1	0.00	1	1	11	1.53	0.02
$2	Source of heading or term			2,986	0.62	4,482	1	34	1.92	0.00
655 — Index Term - Genre/Form				29	0.01	30	1	12	1.42	0.00
$ind1	Type of heading			29	0.01	30	1	12	1.42	0.00
$ind2	Thesaurus			29	0.01	30	1	12	1.42	0.00
$#	number/occurrence of field (in KBR version)			26	0.01	27	1	5	1.17	0.00
$*	Link with identifier (in KBR version)			29	0.01	30	1	12	1.42	0.00
$@	Language of field (in KBR version)			7	0.00	8	1	4	1.51	0.00
$a	Genre/form data or focus term			29	0.01	30	1	12	1.42	0.00
$0	Authority record control number			24	0.00	24	1	7	1.06	0.00
$1	Real World Object URI			1	0.00	1	1
70X-75X: Added Entry
700 — Added Entry - Personal Name				16,641	3.46	27,776	1	128	2.16	0.00
$ind1	Type of personal name entry element			16,641	3.46	27,776	1	128	2.16	0.00
$ind2	Type of added entry			16,641	3.46	27,776	1	128	2.16	0.00
$#	number/occurrence of field (in KBR version)			9,729	2.03	11,129	1	128	1.67	0.00
$*	Link with identifier (in KBR version)			16,641	3.46	27,776	1	128	2.16	0.00
$a	Personal name			16,641	3.46	27,776	1	128	2.16	0.00
$b	Numeration			137	0.03	145	1	26	1.09	0.00
$c	Titles and other words associated with a name			10,454	2.18	12,893	1	90	1.54	0.00
$d	Dates associated with a name			4,933	1.03	8,598	1	124	1.66	0.00
$e	Relator term			1	0.00	1	1	4	1.53	0.03
$f	Date of a work			1	0.00	12	1	12	2.83	1.56
$g	Miscellaneous information			161	0.03	395	1	14	1.12	0.00
$j	Attribution qualifier			2	0.00	3	1	7	1.16	0.00
$l	Language of a work			13	0.00	23	1	9	1.13	0.01
$q	Fuller form of name			253	0.05	287	1	8	1.06	0.00
$1	Real World Object URI			5,215	1.09	10,378	1	116	1.84	0.00
$4	Relationship			13,851	2.88	18,632	1	128	2.19	0.00
710 — Added Entry - Corporate Name				109,046	22.70	126,728	1	28	1.13	0.00
$ind1	Type of corporate name entry element			109,046	22.70	126,728	1	28	1.13	0.00
$ind2	Type of added entry			109,046	22.70	126,728	1	28	1.13	0.00
$#	number/occurrence of field (in KBR version)			10,872	2.26	17,453	1	28	1.14	0.00
$*	Link with identifier (in KBR version)			109,046	22.70	126,728	1	28	1.13	0.00
$@	Language of field (in KBR version)			5,145	1.07	7,836	1	18	1.11	0.00
$a	Corporate name or jurisdiction name as entry element			109,045	22.70	126,727	1	28	1.13	0.00
$b	Subordinate unit			11,625	2.42	14,064	1	10	1.21	0.00
$c	Location of meeting			11,647	2.42	13,398	1	8	1.07	0.00
$d	Date of meeting or treaty signing			438	0.09	612	1	14	1.07	0.00
$f	Date of a work			1	0.00	2	1	2	1.25	0.20
$g	Miscellaneous information			94,218	19.61	105,122	1	27	1.10	0.00
$l	Language of a work			141	0.03	173	1	7	1.09	0.00
$1	Real World Object URI			416	0.09	433	1	4	1.00	0.00
$4	Relationship			108,358	22.56	125,007	1	28	1.12	0.00
711 — Added Entry - Meeting Name				22	0.00	23	1	5	1.05	0.00
$ind1	Type of meeting name entry element			22	0.00	23	1	5	1.05	0.00
$ind2	Type of added entry			22	0.00	23	1	5	1.05	0.00
$#	number/occurrence of field (in KBR version)			1	0.00	1	1	2	1.08	0.02
$*	Link with identifier (in KBR version)			22	0.00	23	1	5	1.05	0.00
$@	Language of field (in KBR version)			1	0.00	1	1	2	1.33	0.08
$a	Meeting name or jurisdiction name as entry element			22	0.00	23	1	5	1.05	0.00
$d	Date of meeting or treaty signing			5	0.00	5	1	5	1.04	0.00
720 — Added Entry - Uncontrolled Name				10	0.00	13	1	35	1.29	0.00
$ind1	Type of name			10	0.00	13	1	35	1.29	0.00
$#	number/occurrence of field (in KBR version)			7	0.00	9	1	35	1.43	0.00
$a	Name			10	0.00	13	1	35	1.29	0.00
730 — Added Entry - Uniform Title				6	0.00	14	1	11	1.31	0.00
$ind1	Nonfiling characters			6	0.00	14	1	11	1.31	0.00
$ind2	Type of added entry			6	0.00	14	1	11	1.31	0.00
$#	number/occurrence of field (in KBR version)			4	0.00	11	1	11	1.50	0.01
$*	Link with identifier (in KBR version)			6	0.00	14	1	11	1.31	0.00
$a	Uniform title			6	0.00	14	1	11	1.31	0.00
$l	Language of a work			5	0.00	13	1	11	1.82	0.02
740 — Added Entry - Uncontrolled Related/Analytical Title				1,162	0.24	1,162	1	10	1.04	0.01
$ind1	Nonfiling characters			1,162	0.24	1,162	1	10	1.04	0.01
$ind2	Type of added entry			1,162	0.24	1,162	1	10	1.04	0.01
$a	Uncontrolled related/analytical title			1,162	0.24	1,162	1	10	1.04	0.01
752 — Added Entry - Hierarchical Place Name				1	0.00	1	1
$*	Link with identifier (in KBR version)			1	0.00	1	1
$a	Country or larger entity			1	0.00	1	1
$d	City			1	0.00	1	1
76X-78X: Linking Entry
765 — Original Language Entry				13	0.00	13	1	10	1.04	0.00
$ind1	Note controller			13	0.00	13	1	10	1.04	0.00
$ind2	Display constant controller			13	0.00	13	1	10	1.04	0.00
$#	number/occurrence of field (in KBR version)			12	0.00	12	1	10	1.04	0.00
$*	Link with identifier (in KBR version)			13	0.00	13	1	10	1.04	0.00
$a	Main entry heading			4	0.00	4	1	10	1.05	0.00
$t	Title			13	0.00	13	1	10	1.04	0.00
$z	International Standard Book Number			5	0.00	5	1	10	1.05	0.00
767 — Translation Entry				33	0.01	33	1	10	1.20	0.00
$ind1	Note controller			33	0.01	33	1	10	1.20	0.00
$ind2	Display constant controller			33	0.01	33	1	10	1.20	0.00
$#	number/occurrence of field (in KBR version)			27	0.01	27	1	10	1.22	0.00
$*	Link with identifier (in KBR version)			33	0.01	33	1	10	1.20	0.00
$a	Main entry heading			2	0.00	2	1	10	1.17	0.01
$t	Title			33	0.01	33	1	10	1.20	0.00
$z	International Standard Book Number			2	0.00	2	1	5	1.22	0.00
770 — Supplement/Special Issue Entry				460	0.10	590	1	10	1.28	0.03
$ind1	Note controller			460	0.10	590	1	10	1.28	0.03
$ind2	Display constant controller			460	0.10	590	1	10	1.28	0.03
$#	number/occurrence of field (in KBR version)			110	0.02	149	1	10	1.37	0.08
$*	Link with identifier (in KBR version)			460	0.10	590	1	10	1.28	0.03
$a	Main entry heading			25	0.01	25	1
$g	Related parts			14	0.00	16	1	2	1.11	0.03
$t	Title			460	0.10	590	1	10	1.28	0.03
$z	International Standard Book Number			4	0.00	4	1
772 — Supplement Parent Entry				570	0.12	623	1	9	1.01	0.00
$ind1	Note controller			570	0.12	623	1	9	1.01	0.00
$ind2	Display constant controller			570	0.12	623	1	9	1.01	0.00
$#	number/occurrence of field (in KBR version)			66	0.01	70	1	2	1.02	0.00
$*	Link with identifier (in KBR version)			570	0.12	623	1	9	1.01	0.00
$a	Main entry heading			12	0.00	12	1
$g	Related parts			31	0.01	51	1	2	1.75	0.00
$k	Series data for related item			3	0.00	3	1
$t	Title			570	0.12	623	1	9	1.01	0.00
773 — Host Item Entry				13,698	2.85	13,937	1	13	1.04	0.00
$ind1	Note controller			13,698	2.85	13,937	1	13	1.04	0.00
$ind2	Display constant controller			13,698	2.85	13,937	1	13	1.04	0.00
$#	number/occurrence of field (in KBR version)			11,124	2.32	11,362	1	13	1.04	0.00
$*	Link with identifier (in KBR version)			13,698	2.85	13,943	1	13	1.04	0.00
$a	Main entry heading			254	0.05	268	1	5	1.01	0.00
$b	Edition			112	0.02	115	1	3	1.03	0.00
$g	Related parts			4,299	0.89	4,442	1	13	1.04	0.00
$h	Physical description			73	0.02	73	1	2	1.00	0.00
$i	Relationship information			3	0.00	3	1	4	1.02	0.00
$n	Note			2,349	0.49	2,351	1	4	1.01	0.00
$t	Title			13,698	2.85	13,943	1	13	1.04	0.00
$z	International Standard Book Number			33	0.01	33	1	6	1.01	0.00
774 — Constituent Unit Entry				262,284	54.60	262,284	1
$ind1	Note controller			262,284	54.60	262,284	1
$ind2	Display constant controller			262,284	54.60	262,284	1
$#	number/occurrence of field (in KBR version)			11	0.00	11	1
$*	Link with identifier (in KBR version)			262,284	54.60	262,284	1
$t	Title			262,284	54.60	262,284	1
$6	Linkage			3	0.00	3	1
775 — Other Edition Entry				12,806	2.67	15,784	1	12	1.79	0.00
$ind1	Note controller			12,806	2.67	15,784	1	12	1.79	0.00
$ind2	Display constant controller			12,806	2.67	15,784	1	12	1.79	0.00
$#	number/occurrence of field (in KBR version)			3,417	0.71	3,851	1	12	2.10	0.00
$*	Link with identifier (in KBR version)			12,806	2.67	15,784	1	14	1.79	0.00
$a	Main entry heading			79	0.02	93	1	12	2.00	0.00
$g	Related parts			4	0.00	4	1	4	1.02	0.00
$i	Relationship information			11,737	2.44	14,381	1	14	1.74	0.00
$t	Title			12,806	2.67	15,784	1	14	1.79	0.00
$w	Record control number			1	0.00	2	1	2	1.50	0.35
$z	International Standard Book Number			1,868	0.39	2,007	1	14	2.11	0.00
776 — Additional Physical Form Entry				6,343	1.32	6,617	1	8	1.03	0.00
$ind1	Note controller			6,343	1.32	6,617	1	8	1.03	0.00
$ind2	Display constant controller			6,343	1.32	6,617	1	8	1.03	0.00
$#	number/occurrence of field (in KBR version)			5,775	1.20	6,041	1	8	1.04	0.00
$*	Link with identifier (in KBR version)			6,343	1.32	6,617	1	8	1.03	0.00
$a	Main entry heading			137	0.03	139	1	8	1.03	0.00
$d	Place, publisher, and date of publication			1	0.00	1	1
$g	Related parts			8	0.00	9	1	2	1.01	0.01
$h	Physical description			42	0.01	44	1	2	1.01	0.00
$i	Relationship information			4,193	0.87	5,072	1	8	1.09	0.00
$t	Title			6,343	1.32	6,617	1	8	1.03	0.00
$w	Record control number			1	0.00	1	1
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			380	0.08	464	1	8	1.04	0.00
777 — Issued With Entry				26	0.01	32	1	11	1.25	0.02
$ind1	Note controller			26	0.01	32	1	11	1.25	0.02
$ind2	Display constant controller			26	0.01	32	1	11	1.25	0.02
$#	number/occurrence of field (in KBR version)			22	0.00	28	1	11	1.21	0.03
$*	Link with identifier (in KBR version)			26	0.01	32	1	11	1.25	0.02
$a	Main entry heading			2	0.00	2	1	11	1.37	0.05
$g	Related parts			8	0.00	11	1	3	1.09	0.02
$t	Title			26	0.01	32	1	11	1.25	0.02
780 — Preceding Entry				17,032	3.55	18,146	1	9	1.06	0.00
$ind1	Note controller			17,032	3.55	18,146	1	9	1.06	0.00
$ind2	Type of relationship			17,032	3.55	18,146	1	9	1.06	0.00
$#	number/occurrence of field (in KBR version)			2,134	0.44	2,273	1	7	1.06	0.00
$*	Link with identifier (in KBR version)			17,032	3.55	18,146	1	9	1.06	0.00
$a	Main entry heading			113	0.02	114	1	2	1.02	0.00
$g	Related parts			41	0.01	45	1	2	1.06	0.01
$i	Relationship information			1	0.00	2	2
$t	Title			17,032	3.55	18,146	1	9	1.06	0.00
$x	International Standard Serial Number			2	0.00	2	1
$z	International Standard Book Number			12	0.00	12	1	2	1.06	0.01
785 — Succeeding Entry				16,816	3.50	17,858	1	15	1.06	0.00
$ind1	Note controller			16,816	3.50	17,858	1	15	1.06	0.00
$ind2	Type of relationship			16,816	3.50	17,858	1	15	1.06	0.00
$#	number/occurrence of field (in KBR version)			1,476	0.31	1,545	1	7	1.05	0.00
$*	Link with identifier (in KBR version)			16,816	3.50	17,858	1	15	1.06	0.00
$a	Main entry heading			111	0.02	112	1	2	1.01	0.00
$g	Related parts			50	0.01	54	1	2	1.08	0.01
$n	Note			1	0.00	1	1
$o	Other item identifier			1	0.00	1	1
$t	Title			16,816	3.50	17,858	1	15	1.06	0.00
$x	International Standard Serial Number			1	0.00	1	1
$z	International Standard Book Number			22	0.00	22	1	2	1.04	0.01
787 — Other Relationship Entry				56	0.01	63	1	7	1.13	0.00
$ind1	Note controller			56	0.01	63	1	7	1.13	0.00
$ind2	Display constant controller			56	0.01	63	1	7	1.13	0.00
$#	number/occurrence of field (in KBR version)			38	0.01	40	1	7	1.09	0.00
$*	Link with identifier (in KBR version)			56	0.01	63	1	7	1.13	0.00
$a	Main entry heading			5	0.00	6	1	7	1.16	0.00
$g	Related parts			14	0.00	15	1	4	1.09	0.00
$i	Relationship information			5	0.00	5	1	4	1.11	0.00
$t	Title			56	0.01	63	1	7	1.13	0.00
$x	International Standard Serial Number			1	0.00	1	1
80X-83X: Series Added Entry
800 — Series Added Entry - Personal Name				21	0.00	21	1	2	1.00	0.00
$ind1	Type of personal name entry element			21	0.00	21	1	2	1.00	0.00
$#	number/occurrence of field (in KBR version)			11	0.00	11	1
$*	Link with identifier (in KBR version)			21	0.00	21	1	2	1.00	0.00
$a	Personal name			21	0.00	21	1	2	1.00	0.00
$c	Titles and other words associated with a name			11	0.00	11	1	2	1.06	0.01
$d	Dates associated with a name			13	0.00	13	1
$q	Fuller form of name			1	0.00	1	1
841-88X: Holdings, Location, Alternate Graphics
852 — Location				881	0.18	936	1	54	1.01	0.00
$ind1	Shelving scheme			881	0.18	936	1	54	1.01	0.00
$ind2	Shelving order			881	0.18	936	1	54	1.01	0.00
$#	number/occurrence of field (in KBR version)			124	0.03	124	1	4	1.00	0.00
$a	Location			182	0.04	237	1	54	1.02	0.00
$b	Sublocation or collection			880	0.18	935	1	54	1.02	0.00
$c	Shelving location			128	0.03	181	1	54	1.01	0.00
$e	Address			5	0.00	58	1	54	1.04	0.00
$h	Classification part			180	0.04	235	1	54	1.02	0.00
$p	Piece designation			182	0.04	237	1	54	1.02	0.00
$q	Piece physical condition			5	0.00	58	1	54	1.04	0.00
$t	Copy number			182	0.04	237	1	54	1.02	0.00
$x	Nonpublic note			698	0.15	698	1
856 — Electronic Location and Access				13,361	2.78	14,392	1	46	1.05	0.00
$ind1	Access method			13,361	2.78	14,392	1	46	1.05	0.00
$ind2	Relationship			13,361	2.78	14,392	1	46	1.05	0.00
$#	number/occurrence of field (in KBR version)			11,976	2.49	12,809	1	45	1.04	0.00
$i				16	0.00	19	1	3	1.12	0.09
$k				45	0.01	45	1
$l	Standardized information governing access			45	0.01	45	1
$n	Terms governing access			3	0.00	4	1	2	1.24	0.03
$q	Electronic format type			2	0.00	2	1
$u	Uniform Resource Identifier			13,357	2.78	14,370	1	46	1.05	0.00
$x	Nonpublic note			68	0.01	68	1	5	1.00	0.00
$y	Link text			54	0.01	55	1	46	1.89	0.03
$z	Public note			1,922	0.40	2,075	1	10	1.01	0.00
$3	Materials specified			21	0.00	21	1	4	1.71	0.02
$7	Access status			174	0.04	249	1	46	1.08	0.00
Holdings: MARC Holdings tags
866 — Textual Holdings-Basic Bibliographic Unit				65,527	13.64	110,623	1	8	1.68	0.00
$ind1	Field encoding level			65,527	13.64	110,623	1	8	1.68	0.00
$ind2	Type of notation			65,527	13.64	110,623	1	8	1.68	0.00
$#	number/occurrence of field (in KBR version)			25,767	5.36	42,205	1	6	1.63	0.00
$a	Textual holdings			65,479	13.63	110,536	1	8	1.68	0.00
$x	Nonpublic note			60,120	12.52	104,198	1	7	1.73	0.00
$z	Public note			101	0.02	107	1	4	1.03	0.02
Locally defined tags of the Royal Library of Belgium
997 — Item information				238,350	49.62	253,022	1	254	1.12	0.00
$#	number/occurrence of field			8,254	1.72	15,560	1	19	1.31	0.00
$*	Link with identifier			238,350	49.62	253,022	1	254	1.12	0.00
$a	Barcode number			238,350	49.62	253,022	1	254	1.12	0.00
$c	Library (holding institution)			238,350	49.62	253,022	1	254	1.12	0.00
$d	Section (department of holding institution)			238,350	49.62	253,022	1	254	1.12	0.00
$g	Call Number			163,125	33.96	177,408	1	254	1.12	0.00
$h	Rating2			6	0.00	6	1	3	1.01	0.00
$t	Document type			238,350	49.62	252,975	1	254	1.12	0.00
$v				37	0.01	46	1	6	1.04	0.00
unknown origin
853				2,032	0.42	2,094	1	4	1.03	0.00
$#				3	0.00	4	1	2	1.33	0.25
$a				2,032	0.42	2,094	1	4	1.03	0.00
$b				2,032	0.42	2,094	1	4	1.03	0.00
$c				1,799	0.37	1,860	1	4	1.03	0.00
$h				2,031	0.42	2,092	1	4	1.03	0.00
$i				1	0.00	1	1
$l				2,031	0.42	2,093	1	4	1.03	0.00
863				2	0.00	2	1
$#				2	0.00	2	1
$a				1	0.00	1	1
$i				1	0.00	1	1
$q				1	0.00	1	1
$u				1	0.00	1	1
867				4	0.00	7	1	3	1.43	0.25
$#				4	0.00	7	1	3	1.43	0.25
$a				4	0.00	7	1	3	1.50	0.28
868				1	0.00	1	1
$#				1	0.00	1	1
$a				1	0.00	1	1