Library of Congress >> MARC >> Bibliographic >> 00X >> 001

001 - Control Number (NR)

MARC 21 Bibliographic - Full
October 2003

Indicators and Subfield Codes
No indicators or subfield codes.


Contains the control number assigned by the organization creating, using, or distributing the record. For interchange purposes, documentation of the structure of the control number and input conventions should be provided to exchange partners by the organization initiating the interchange. The MARC code identifying whose system control number is present in field 001 is contained in field 003 (Control Number Identifier). An organization receiving a record may move the incoming control number from field 001 (and the control number identifier from field 003) to field 035 (System Control Number), 010 (Library of Congress Control Number), or 016 (National Bibliographic Agency Control Number), as appropriate, and place its own system control number in field 001 (and its control number identifier in field 003).


001 #880524405##
003 CaOONL
016 ##$a#880524405##
[LAC generally supplies its control number in both field 001 and 016]
001 ###86104385#
003 DLC
010 ##$a###86104385#
[LC generally supplies its control number in both field 001 and 010]
001 ocm14919759
003 OCoLC
001 #####9007496
003 DNLM


System Generation - Field 001 may be system generated. The structures of the Library of Congress and Library and Archives Canada control numbers are described in Input Conventions under field 010 (Library of Congress Control Number) and field 016 (National Bibliographic Agency Control Number), respectively.

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