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.
Have you a clear head?: then prove it! : problem given by Milton C. Work
Have you a clear head?: then prove it! : problem given by Milton C. Work
Advertisement for Bromo-Seltzer. Card features an illustration of a man at a table playing the card game, "bridge." He is wearing a dark suit and eyeglasses.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)