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.
Interior view of the Surgeon General's Reference Library in the Pentagon: A card catalog is sitting on a table in front of Mildred Blake's desk. Serials are on display in front of the stacks which are at a right angle in the background. A dictionary is on a stand next to the serials.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)