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United States National Library of Medicine National Institutes of Health

Fact Sheet

LocatorPlus is the National Library of Medicine (NLM) online catalog available at

Coverage and Scope:

LocatorPlus is continuously updated and includes:

Search Capabilities:

Search LocatorPlus by keyword, author, title, journal title, MeSH® (medical subject headings), call number and other specific fields using simple and advanced search menus.
You can limit keyword search by type of media, format, language, date of publication, or shelving location.

Retrieval is listed alphabetically or in rank order by relevancy. Each retrieved item displays NLM holdings, detailed bibliographic information, MARC records and electronic links (if available). You can print, download, or e-mail them to any address.

LocatorPlus provides direct access through its "Search Other Resources" menu to additional free resources:

LocatorPlus and NLM's Integrated Library System

LocatorPlus is one component of NLM's integrated library system, Voyager. This system, developed by Endeavor Information Systems Inc., is an integrated information management system designed for academic and research libraries. NLM uses Voyager for acquisitions, serials control, cataloging, collection management, circulation, preservation and as an Online Public Access Catalog (OPAC)

Differences between LocatorPlus and the NLM Catalog

The NLM Catalog available at ( is an alternative search interface to NLM bibliographic records for journals, books, audiovisuals, computer software, electronic resources, and other materials using the NCBI Entrez system. The NLM Catalog links to LocatorPlus for access to NLM holdings information.

Search LocatorPlus to: Search the NLM Catalog to:

Learn more about LocatorPlus:

For further assistance contact:

Reference and Customer Services
National Library of Medicine
8600 Rockville Pike
Bethesda, MD 20894
1-888-FINDNLM (1-888-346-3656) (Voice)
(301) 594-5983 (Voice) (Internet)

Last reviewed: 04 August 2005
Last updated: 04 August 2005
First published: 20 February 2001
Metadata| Permanence level: Permanent: Stable Content
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