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.
Postcard featuring a color illustration of a bust portrait of a nurse with reddish hair, who is wearing a white hat and shirt. There is a red cross on her hat and right sleeve.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)