Library Catalogs & Services

• Library Catalogs: NLM Catalog & LocatorPlus

  NLM Catalog: start here to find books, journals, and audiovisuals
  LocatorPlus: for holdings, item availability, MARC 21, and more.

• IndexCat

  Online version of the Index-Catalogue of the Library of the Surgeon-General's Office.
  Also see:
  Modern Manuscripts (Finding Aids) | Historical Images (prints and photographs)

• Reference and Customer Services

  Librarians help locate resources in the biomedical sciences, and answer questions about NLM's products and services.
  Visiting the Library | Contact NLM Customer Service

• Accessing the Collections at NLM

  Libraries may borrow books or obtain copies of articles from NLM. Individuals who need to borrow library materials should make a request through a local library. Also see: Interlibrary Loan and Document Delivery | DOCLINE® interlibrary loan system for libraries | Loansome Doc® system for individuals who wish to order articles via a medical library

• Medical Subject Headings (MeSH®)

  NLM controlled subject vocabulary used for indexing and cataloging.
  MeSH Home Page | MeSH Browser | MeSH Publications

• Cataloging and Metadata Management

  NLM catalogs biomedical materials in more than 45 languages and provides bibliographic services to the biomedical library community.
  NLM Classification used to organize library materials

• Collection Development and Acquisitions

  Policies and guidelines for building NLM's Collection.
  Collection Development Manual

• Preservation and Collection Management

  NLM and the National Network of Libraries of Medicine (NN/LM) are working together to ensure the preservation of and continued access to the literature through a national cooperative medical serials print retention program. MedPrint – the medical serials print preservation program

• Publications by NLM

  Reports, plans, newsletters, bibliographies and other staff publications.
   NLM Technical Bulletin | Annual Reports

• Leasing NLM Data

  How to lease NLM databases or download data.