Library of Congress >> MARC >> Authority >> 01X-09X  >> 053

053 - LC Classification Number (R)


MARC 21 Authority - concise
December 2017

Single LC classification number or a number span associated with a 1XX heading in an established heading record or a subdivision record. Source of the classification number is Library of Congress Classification and/or the LC Classification Additions and Changes that are maintained by the Library of Congress. The hyphen (-) between the two class numbers in a range of numbers may be generated based on the presence of both subfields $a and $b.

Indicators

First - Undefined
# - Undefined
Second - Source of classification number
0 - Assigned by LC
4 - Assigned by agency other than LC

Subfield Codes

$a - Classification number element-single number or beginning number of span (NR)
$b - Classification number element-ending number of span (NR)
$c - Explanatory term (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.
$5 - Institution to which field applies (R)
See description of this subfield in Appendix A: Control Subfields.
$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

053 #0$aPS3557.R48998
053 #0$aBX8627
053 #0$aP301$cLinguistics
053 #0$aE201$bE298
053 #0$aML1160$cHistory
053 #0$aMT728$cInstruction and study
053 #0$aBX850$bBX875$cDocuments
053 #4$aHD1694.S6$5DI

Library of Congress >> MARC >> Authority >> 01X-09X  >> 053
(12/18/2017)
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