The Library of Congress
>> Especially for Librarians and Archivists
>> Standards
MARC 21 HOME >> MARC 21 Formats >> National Level Requirements--Authority >> Number & Code Fields
The Library of Congress
>> Especially for Librarians and Archivists
>> Standards
010 LIBRARY OF CONGRESS CONTROL NUMBER A
$a LC control number A
$z Canceled / invalid LC control number A
$8 Field link and sequence number O
014 LINK TO BIBLIOGRAPHIC RECORD FOR SERIAL OR MULTIPART O
ITEM
$a Control number of related bibliographic record M
$6 Linkage A
$8 Field link and sequence number O
016 NATIONAL BIBLIOGRAPHIC AGENCY CONTROL NUMBER A
$a Record control number A
$z Canceled / invalid record control number A
$2 Source A
$8 Field link and sequence number O
020 INTERNATIONAL STANDARD BOOK NUMBER A
$a International Standard Book Number A
$c Terms of availability O
$z Canceled / invalid ISBN A
$6 Linkage A
$8 Field link and sequence number O
022 INTERNATIONAL STANDARD SERIAL NUMBER A
$a International Standard Serial Number A
$l ISSN-L A
$m Canceled ISSN-L A
$y Incorrect ISSN A
$z Canceled ISSN A
$6 Linkage A
$8 Field link and sequence number O
024 OTHER STANDARD IDENTIFIER A
$a Standard number or code A
$c Terms of availability O
$d Addtional codes following the standard number O
or code
$z Canceled / invalid standard number A
or code
$2 Source of number or code A
$6 Linkage A
$8 Field link and sequence number O
031 MUSICAL INCIPITS INFORMATION O
$a Number of work A
$b Number of movement A
$c Number of excerpt A
$d Caption or heading O
$e Role O
$g Clef O
$m Voice/instrument O
$n Key signature O
$o Time signature O
$p Musical notation O
$q General note O
$r Key or mode O
$s Coded validity note O
$t Text incipit A
$u Uniform Resource Identifier O
$y Link text O
$z Public note O
$2 System code O
$6 Linkage A
$8 Field link and sequence number O
034 CODED CARTOGRAPHIC MATHEMATICAL DATA A
$d Coordinates--westernmost longitude A
$e Coordinates--easternmost longitude A
$f Coordinates--northernmost latitude A
$g Coordinates--southernmost latitude A
$j Declination--northern limit A
$k Declination--southern limit A
$m Right ascension--eastern limit A
$n Right ascension--western limit A
$p Equinox A
$r Distance from earth A
$s G-ring latitude A
$t G-ring longitude A
$x Beginning date A
$y Ending date A
$z Name of extraterrestrial body A
$0 Authority record control number
or standard number
$2 Source A
$3 Materials specified A
$6 Linkage A
$8 Field link and sequence number O
035 SYSTEM CONTROL NUMBER O
$a System control number M
$z Canceled / invalid control number A
$6 Linkage A
$8 Field link and sequence number O
040 CATALOGING SOURCE M
$a Original cataloging agency M
$b Language of cataloging O
$c Transcribing agency M
$d Modifying agency A
$e Description conventions A
$f Subject heading or thesaurus conventions A
$6 Linkage A
$8 Field link and sequence number O
042 AUTHENTICATION CODE O
$a Authentication code M
043 GEOGRAPHIC AREA CODE O
$a Geographic area code M
$b Local GAC code O
$c ISO code O
$0 Authority record control number
or standard number
$2 Source of local code O
$6 Linkage A
$8 Field link and sequence number O
045 TIME PERIOD OF HEADING O
$a Time period code A
$b Formatted 9999 B.C. through C.E. time period A
$c Formatted pre-9999 B.C. time period A
$6 Linkage A
$8 Field link and sequence number O
046 SPECIAL CODED DATES O
$f Birth date O
$g Death date O
$k Beginning or single date created O
$l Ending date created O
$s Start period O
$t End period O
$u Uniform Resource Identifier O
$v Source of information O
$2 Source of date scheme A
$6 Linkage A
$8 Field link and sequence number O
050 LIBRARY OF CONGRESS CALL NUMBER O
$a Classification number M
$b Item number A
$d Volumes/dates to which call number O (current code)
applies M (earlier code)
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
052 GEOGRAPHIC CLASSIFICATION O
$a Geographic classification area code M
$b Geographic classification subarea code A
$d Populated place name O
$2 Code source A
$6 Linkage A
$8 Field link and sequence number O
053 LC CLASSIFICATION NUMBER O
$a Classification number element- M
single number or beginning number
of span
$b Classification number element-ending A
number of span
$c Explanatory term A
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
055 LIBRARY AND ARCHIVES CANADA CALL NUMBER O
$a Classification number M
$b Item number A
$d Volumes / dates to which call number applies O
$5 Institution to which field applies O
$6 Linkage A
$8 Field link and sequence number O
060 NATIONAL LIBRARY OF MEDICINE CALL NUMBER O
$a Classification number M
$b Item number A
$d Volumes/dates to which call number O (current code)
applies M (earlier code)
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
065 OTHER CLASSIFICATION NUMBER O
$a Classification number element -- single number M
or beginning of span
$b Classification number element -- ending number A
of span
$c Explanatory term O
$2 Number source A
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
066 CHARACTER SETS PRESENT A
$a Primary G0 character set O
$b Primary G1 character set O
$c Alternate G0 or G1 character set M
070 NATIONAL AGRICULTURAL LIBRARY CALL NUMBER O
$a Classification number M
$b Item number A
$d Volumes / dates to which call number O (current code)
applies M (earlier code)
$6 Linkage A
$8 Field link and sequence number O
072 SUBJECT CATEGORY CODE O
$a Subject category code M
$x Subject category code subdivision A
$2 Code source A
$6 Linkage A
$8 Field link and sequence number O
073 SUBDIVISION USAGE O
$a Subdivision usage M
$z Code source M
$6 Linkage A
$8 Field link and sequence number O
080 UNIVERSAL DECIMAL CLASSIFICATION NUMBER 0
$a Univer Decimal Classification number M
$b Item number A
$x Common auxiliary subdivision A
$2 Edition identifier M
$6 Linkage A
$8 Field link and sequence number 0
082 DEWEY DECIMAL CALL NUMBER O
$a Classification number M
$b Item number A
$d Volumes/dates to which call number O (current code)
applies M (earlier code)
$2 Edition number M
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
083 DEWEY DECIMAL CLASSIFICATION NUMBER O
$a Classification number element-single number M
or beginning number of span
$b Classification number element-ending A
number of span
$c Explanatory term A
$y Table sequence number for internal A
subarrangement or add table
$z Table identification-table number A
$2 Edition number M
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
086 GOVERNMENT DOCUMENT CALL NUMBER O
$a Call number M
$d Volumes/dates to which call number applies A
$z Canceled/invalid classification number A
$2 Number source A
$5 Institution to which field applies A
$6 Linkage A
$8 Field link and sequence number O
087 GOVERNMENT DOCUMENT CLASSIFICATION NUMBER O
$a Classification number element- M
single number or beginning number of span
$b Classification number element-ending number A
of span
$c Explanatory information A
$2 Number source A
$6 Linkage A
$8 Field link and sequence number O
09X LOCAL CALL NUMBERS O
Fields 090-099 are reserved for local series call
number definition.
| Contact Us |