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.
Valedictory address, to the class of medical graduates of the University of Pennsylvania, on the Third of April, 1846
Valedictory address, to the class of medical graduates of the University of Pennsylvania, on the Third of April, 1846