United States National Library of Medicine

United States
National Library of Medicine
Library in 1999
38°59′45″N 77°05′56″W / 38.995951°N 77.098832°W / 38.995951; -77.098832
LocationBethesda, Maryland, United States
TypeMedical library
Established1836 (1836)
(as the Library of the Office of the Surgeon General of the Army)
Reference to legal mandatePublic Law 941 – August 3, 1956, an amendment to Title III of the Public Health Service Act
Branch ofNational Institutes of Health
Collection
Items collectedbooks, journals, manuscripts, images, and multimedia; genomic, chemical, toxicological, and environmental data; drug information; clinical trials data; health data standards; software; and consumer health information
Size27.8 million (2015)
Criteria for collectionAcquiring, organizing, and preserving the world's scholarly biomedical literature
Access and use
Access requirementsOpen to the public
Circulation309,817 (2015)
Other information
BudgetUS$341,119,000
DirectorStephen Sherry (Acting)
Employees1,741
Websitenlm.nih.gov

The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library.

Located in Bethesda, Maryland, the NLM is an institute within the National Institutes of Health. Its collections include more than seven million books, journals, technical reports, manuscripts, microfilms, photographs, and images on medicine and related sciences, including some of the world's oldest and rarest works.

As of October 2023 the acting director of the NLM was Stephen Sherry.