December 1, 2015

Metadata: National Library of Medicine Begins Using of RDA For All Original Cataloging

From the NLM Technical Bulletin:

On March 31, 2013 the National Library of Medicine (NLM) began use of RDA: Resource Description and Access for all original cataloging of modern material, replacing the Anglo-American Cataloguing Rules, 2nd edition (AACR2).

Bibliographic records distributed by NLM will continue to contain a mix of RDA and AACR2 records as NLM will accept AACR2 copy without upgrading these records to RDA. Any new authority records created by NLM will follow RDA guidelines, regardless of the rules used to create the bibliographic data.

Learn More in the RDA Section of the NLM Cataloging Page

Gary Price About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.

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