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 | Customer Service Policy | Contact NLM Customer Service | Subject Guides on Selected TopicsAccessing 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.
More about MeSH (Fact Sheet) | MeSH Browser | MeSH PublicationsCataloging 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 materialsCollection Development and Acquisitions
Policies and guidelines for building NLM's Collection.
Collection Development ManualPreservation and Collection Management
NLM has an extensive program for managing and preserving its collection.
More about the Preservation and Collection Management Program (Fact Sheet)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.
Fact Sheets | NLM Technical Bulletin | Annual ReportsResources for International Librarians, Health Professionals and Researchers
Training information, document delivery and other useful resources for the international community.
Leasing NLM Data
How to lease NLM databases or download data.