NLM has decided to follow the British Library’s lead and try to avoid creating any further undifferentiated NARs for NACO, nor to add any further identities to existing NARs. If using RDA qualifiers such as period of activity or profession will allow the name to be differentiated, then these elements will be added to the heading and headings will be coded RDA. Catalogers who are not yet trained in RDA will work with or pass the work onto NLM catalogers who participated in the RDA test.
While NLM is not as optimistic as the BL that undifferentiated records can be avoided completely, NLM believes that minimizing the number of undifferentiated headings in the national authority file will be a benefit to the cataloging community.
Diane Boehr
Head of Cataloging
National Library of Medicine
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