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Concise Formats - 2009/2010 >> Classification >> Tracings and References >> 4XX

Invalid Number Tracing Fields (4XX)

MARC 21 Classification - Concise

2008

This is an ARCHIVED VERSION of the 2009/2010 electronic edition of the MARC 21 Concise Formats.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.

Fields in this group are used to trace references from an invalid classification number to a valid or partially valid number. In the MARC 21 classification format, only one Invalid Number Tracing field is currently defined.

453 - Invalid Number Tracing (R)

Concise Formats - 2008 Archive >> Classification >> Tracings and References >> 4XX

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

(10/20/2010)