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.
Sabin wrote to tell Cunningham, a former research fellow, about further developments at the Rockefeller Institute, especially getting Dr. Flexner's approval for her planned research.
Original Repository:
The American Philosophical Society. Library. Florence R. Sabin Papers