The MARC 'Home' page (Library
of Congress)
MARC
21 Bibliographic Format--Update No. 8 (October 2007)
MARC
21 Authority Format--Update No. 8 (October 2007)
MARC 21 Format for
Holdings Data--Update No. 8 (October 2007)
National Level Record
Requirements--MARC 21 Bibliographic
VIAF: The Virtual International Authority File
OCLC Bibliographic
Formats and Standards, 3rd ed.
MARC Code List for
Organizations
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Participating Institutions