- MARC Code List for Relators, Sources, Description Conventions
- Web-based subscription service
- Discontinued print publication.
Available in Cataloger's Desktop. See http://www.loc.gov/cds/desktop/
- Included in Cataloger's Desktop
Introduction to MARC Documentation
Machine-Readable Cataloging (MARC) is the standard in library automation. Available in Cataloger's Desktop (http://www.loc.gov/cds/desktop).