The Library of Congress >> Librarians, Archivists >> Standards >> MARC

Concise Formats - 2008 Archive >> Holdings >> 00X >> 004

004 - Control Number for Related Bibliographic Record (NR)

This is an ARCHIVED VERSION of the 2008 electronic edition of the MARC 21 Concise Formats.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.