Library of Congress >> MARC >> Bibliographic >> 01X-09X >> 084

084 - Other Classification Number (R)


MARC 21 Bibliographic - Full
October 2001

First Indicator
Undefined
# - Undefined

Second Indicator
Undefined
# - Undefined


Subfield Codes
$a - Classification number (R)
$b - Item number (NR)
$2 - Number source (NR)
$6 - Linkage (NR)
$8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Classification number from a scheme not covered by one of the other number fields. The field should not be used for classification numbers assigned from a source for which a subfield $2 source of number code would not be assigned.

Uses a scheme other than the Library of Congress Classification, the classification systems of Library and Archives Canada, the National Library of Medicine, the National Agricultural Library, the U.S. Government Printing Office, Universal Decimal Classification, or Dewey Decimal Classification schemes. These latter numbers are recorded in fields 050 (Library of Congress Call Number), 055 (Classification Numbers Assigned in Canada), 060 (National Library of Medicine Call Number), 070 (National Agricultural Library Call Number), 086 (Government Document Classification Number), 080 (Universal Decimal Classification Number), and 082 (Dewey Decimal Classification Number), respectively. Field 084 is also used for numbers assigned from the CODOC system used in Canada to classify government documents.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

INDICATORS

SUBFIELD CODES

$a - Classification number
Classification number portion of the number. Subfield $a is repeated to record an alternative class number.
084 ##$a014$2frbnpnav
084 ##$a016$a014$a018$a122$2frbnpnav
$b - Item number
Item number portion of the call number.
084 ##$a84.7$bSShA$2rubbk
084 ##$aKB112.554$bU62 1980$2laclaw
$2 - Number source
MARC code for the source of the classification system or scheme from which the number was assigned.
084 ##$a8501(043)$2rueskl
084 ##$aCA2 PQ C07 81P52$2cacodoc
[Number was assigned from the CODOC system]
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.

INPUT CONVENTIONS

Capitalization - Capitalization of alphabetic characters in the classification number should follow the rules of the scheme. For most schemes, characters are recorded in uppercase.
Spacing - Any spaces that are desired as part of the call number must be input.

CONTENT DESIGNATOR HISTORY

Prior to 1997, CODOC numbers were carried in field 088. [CAN/MARC only]

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