- MARC 21 Concise Formats: 2011 Edition
- Network Development and MARC Standards Office, Library of Congress
- Free download
- This publication is now out of print.
Concise Formats is available free online at http://www.loc.gov/marc/marcdocz.html
Consult the "format changes" appendix for each online format document for guidance on the fields and other areas of the format that have changes.
- Related links:
Available on the Web
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).