United States National Library of Medicine National Institutes of Health

FAQ: Cataloging and Bibliographic Questions

What kinds of authority records will I find in LocatorPlus®?
How do I search for authority records in LocatorPlus?
How do I download NLM authority records in MARC 21 format?
Which MARC fields are displayed in the Authority Details results in LocatorPlus?
Why do older forms of headings appear in authority records in LocatorPlus?

Cataloging & NLM Classification Issues

Why does NLM have the 950 (95x) subject heading field tags in its LocatorPlus records?
Where do I find the latest edition of the NLM Classification?
Has NLM added or changed any NLM classification numbers since the last edition of the NLM classification scheme?
Why are NLM's LocatorPlus subject headings different from NLM's subject headings found in OCLC records?
Why did NLM decide to output its subject headings in the conventional string?
How does NLM handle titles issued in multiple formats?
How does NLM use the single record approach in cataloging serials?
Why doesn't the LocatorPlus record for a journal list all the sources that index that journal?

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CIP Questions

How do I identify CIP (Cataloging-in-Publication) records in NLM LocatorPlus?
How can I find out what classification number NLM has assigned to a book which is a CIP (Cataloging-in-Publication)?

NLM's Bibliographic Record Distribution Program

Does NLM distribute its bibliographic records and how do I subscribe?

Searching the System

What kinds of bibliographic records will I find in NLM LocatorPlus?
I am a co-editor of an item in LocatorPlus, but I cannot find it when searching for my name. Why?
I am not finding items I know are in the catalog when I use the Limit command to limit by a particular language. Why?
How do I download NLM bibliographic records in MARC 21 format from LocatorPlus?

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Related Links

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http://www.nlm.nih.gov/services/faqcat.html

Last reviewed: 01 October 2009
Last updated: 01 October 2009
First published: 01 January 1998
Metadata| Permanence level: Permanence Not Guaranteed