Library of Congress >> MARC >> Authority >> 01X-09X >> 072

072 - Subject Category Code (R)


MARC 21 Authority - Concise
2007

Code for the subject category that is associated with the 1XX field in an established heading record or a node label record.

Indicators
First - Undefined
# - Undefined
Second - Code source
# - No information provided
0 - NAL subject category code list
7 - Source specified in subfield $2
Subfield Codes
$a - Subject category code (NR)
Code for the broad subject category to which the heading belongs in a hierarchically-arranged thesaurus.
$x - Subject category code subdivision (R)
Level of specificity within the broader category coded in subfield $a.
$2 - Code source (NR)
MARC code that identifies the thesaurus used to assign the subject category code when the second indicator position of this field contains value 7. Code from: Subject Category Code Source Codes.
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.
Examples
072 ##$aC23.$x739.$x102
072 #0$aQ200
072 ##$aL1.$x346.$x596.$x463
072 ##$aC4.$x697
072 ##$aZ1.$x58.$x266.$x513

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