Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NLM is no longer updating this resource, effective January 2026, because the information it provides is now readily available through web search engines.

Directory of History of Medicine Collections

Drag the map to see Collections from around the world.

Directions