FAQ
Current Edition, Ordering Information for the NLM Classification

Question: What edition of the NLM Classification is the most current and how do I get the newest edition?

Answer:

The online NLM Classification is the latest edition of this tool and will be updated annually from now on; it is available on the World Wide Web at http://www.nlm.nih.gov/class/
The NLM Classification, 5th ed., rev. 1999, has been superseded by the online version; it is no longer available as a print publication.
For further information, see the NLM Fact Sheet on the NLM Classification at http://www.nlm.nih.gov/pubs/factsheets/nlmclassif.html
Future changes and additions to the NLM Classification will be announced in the NLM Technical Bulletin at http://www.nlm.nih.gov/pubs/techbull/tb.html

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

Last updated: 06 May 2004
First published: 26 September 2002
Metadata| Permanence level: Permanence Not Guaranteed

FAQCurrent Edition, Ordering Information for the NLM Classification