Skip to main content

Govt building

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure access 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.

Precipitins

 Subject
Subject Source: Medical Subject Headings

Found in 3 Collections and/or Records:

Letter from Michael Heidelberger to William C. Boyd, Boston University

 Digital Record
Identifier: 101584940X72
Dates: 16 December 1940

Letter from William C. Boyd, Boston University to Michael Heidelberger

 Digital Record
Identifier: 101584940X71
Dates: 10 December 1940