004 - Control Number for Related Bibliographic Record (NR)


MARC 21 Holdings - Concise
2007

This is an ARCHIVED VERSION of the 2009/2010 electronic edition of the MARC 21 Concise Formats. Please see loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

System control number of the MARC bibliographic record for which a separate holdings record was created.


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