Library of Congress >> MARC >> Authority >> 1XX,3XX >> 148

148 - Heading-Chronological Term (NR)


MARC 21 Authority - Concise
2007

Chronological term used as a heading in an established heading record, an established heading and subdivision record, a traced or untraced reference record, or a reference and subdivision record.

Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - Chronological term (NR)
$v - Form subdivision (R)
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.
Examples
148 ##$a1710-1714
148 ##$a1500-1700
148 ##$a1863

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