Library of Congress >> MARC >> Authority >> 01X-09X >> 087

087 - Government Document Classification Number (R)

MARC 21 Authority - concise

December 2017

Single government document classification number, number stem, or a number span associated with a 1XX heading in an established heading record. The classification number(s) may be qualified by explanatory information when the heading is represented by more than one number in the same classification scheme.

Indicators

First - Number source: # - Source specified in subfield $2; 0 - Superintendent of Documents Classification System; 1 - Government of Canada Publications: Outline of Classification
Second - Undefined: # - Undefined

Subfield Codes

$a - Classification number element-Single number of beginning number of span (NR)

$b - Classification number element-Ending number of span (NR)

$c - Explanatory information (NR)

$0 - Authority record control number or standard number (R): See description of this subfield in Appendix A: Control Subfields.

$1 - Real World Object URI (R): See description of this subfield in Appendix A: Control Subfields.

$2 - Number source (NR): MARC code that identifies the government document classification system or scheme when the first indicator position contains value blank (#). Source of the MARC code is Classification Scheme Source Codes that is maintained by the Library of Congress.

$6 - Linkage (NR): See description of this subfield in Appendix A: Control Subfields.

$8 - Field link and sequence number (R): See description of this subfield in Appendix A: Control Subfields.

Examples

087	0#$aY 4.N 16
087	1#$aFs-85
087	##$aWR$c1987-$2ordocs
087	0#$aHE 20.8216
087	##$aSTA 993$2nydocs
087	1#$aFs-20$bFs-29
087	##$aY/G29/2$c1987-$2ordocs

Library of Congress >> MARC >> Authority >> 01X-09X >> 087

(12/18/2017)