MARC Formats
Bibliographic
Authority
Holdings
Classification
Community
Translations
MARC LITE
Bibliographic
MARC Code Lists
Countries
GACs
Languages
Organizations
Relators
Other Value Lists
Sources
MARC Specs.
Record
Structure
Character Sets
Exchange Media
The MARC formats are standards for
the representation and communication of bibliographic
and related information in machine-readable form. They are
community-driven with the Library of Congress as coordinator.
Next MARC Advisory Committee Meeting: July 22-23, 2026
BIBFRAME (Bibliographic Framework Initiative)
MARC Code Lists as Linked Data
Modern MARC
[MARC en ESPAŅOL]
| Understanding
MARC Bibliographic -- a brief description
and tutorial Understanding MARC Authority -- a brief description and tutorial Understanding MARC Holdings Records -- a brief description and tutorial |
| General
Information Introductory MARC Information News & Announcements MARC FAQ MARC Forum (listserv) Unicode-MARC Forum Recommended Reading |
MARC Formats Formats and Code Lists Format Overview Ordering Information National Level Requirements MARC Mappings MARC User Notes |
| MARC
Development MARC Advisory Committee MARC Proposals MARC Discussion Papers MARC Change Form |
MARC
Records, Systems and Tools MARC Record Services MARC Systems MARC Specialized Tools |
| The Library of Congress >> Librarians, Archivists >> Standards June 11, 2026 |
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