1. Letter from Michael Heidelberger to Felix Haurowitz Publication: Produced: 16 February 1948 Subject(s): Antigen-Antibody Reactions Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
2. Letter from Michael Heidelberger to A. D. Hershey Publication: Produced: 28 April 1941 Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
3. Letter from Michael Heidelberger to A. D. Hershey Publication: Produced: 28 July 1942 Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
4. Address by Michael Heidelberger at the 50th anniversary celebration of the death of Louis Pasteur Publication: Produced: November 1946 Subject(s): Allergy and ImmunologyAntigen-Antibody Reactions Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
5. Letter from Michael Heidelberger to William C. Boyd, Boston University Publication: Produced: 16 December 1940 Subject(s): PrecipitinsAgglutinationAntigen-Antibody ReactionsAllergy and Immunology Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
6. Letter from Michael Heidelberger to Max Delbruck, California Institute of Technology Publication: Produced: 28 March 1938 Subject(s): Antigen-Antibody Reactions Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
