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.
Advice to students: an address delivered at the opening of the medical lectures of Harvard University, Nov. 7, 1866
Advice to students: an address delivered at the opening of the medical lectures of Harvard University, Nov. 7, 1866