- The Anglo-American Cataloging Rules (2nd rev. ed. & subsequent updates) Chapters 22-26 & appendices
- The MARC 21 Authority Format
- Subset of MARC 21 Authority Format for NACO training
- Part 1 [99 pages]
- Part 2 [72 pages]
- The Policy and Standards Division has made available a comprehensive version of the Descriptive Cataloging Manual (DCM) Z1 and the LC Guidelines Supplement to the MARC 21 Format for Authority Data. These documents are current as of August 1, 2009.
Note to NACO participants: DCM Z1 includes an appendix with instructions specific to Library of Congress staff that may be exluded when printing.
Electronic versions of both documents are also available through Cataloger's Desktop. Quarterly updates are available from the Cataloging Distribution Service.
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