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010 - LIBRARY OF CONGRESS CONTROL NUMBER (NR)
A unique number assigned to a record by LC or a cooperative cataloging partner contributing authority records to the Name Authority Cooperative Program (NACO) database. The field is also assigned to records created by LC for the Library of Congress Subject Headings (LCSH).
Indicators
- First - Undefined
- # - Undefined
- Second - Undefined
- # - Undefined
Subfield Codes
- $a - LC control number (NR)
- $z - Canceled/invalid LC control number (R)
- $8 - Field link and sequence number (R) See Control Subfields
Example
010 |
##$an##80022124#$zn##80014241# |

