Library of Congress >> MARC >> Bibliographic >> 01X-09X >> 010

010 - Library of Congress Control Number (NR)


MARC 21 Bibliographic - Concise
2007

Unique number assigned to a MARC record by the Library of Congress. Valid MARC prefixes for LC control numbers are published in MARC 21 Format for Bibliographic Data.

Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - LC control number (NR)
$b - NUCMC control number (R)
$z - Canceled/invalid LC control number (R)
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.
Examples
010 ##$anuc76039265#
010 ##$a##2001627090
010 ##$a##2001336783

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