1. Letter from Joshua Lederberg to Bernard D. Davis Publication: Produced: 31 October 1949 Subject(s): Cell Culture TechniquesGenetics, MicrobialTeaching Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Bernard D. Davis Publication: Produced: 14 May 1949 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)