1. Letter from Joshua Lederberg to Michael Doudoroff Publication: Produced: 22 November 1948 Subject(s): Genetics, MicrobialTeaching Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Michael Doudoroff Publication: Produced: 9 March 1948 Subject(s): Escherichia coliGenetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Michael Doudoroff Publication: Produced: 20 October 1948 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)