1. Letter from Einar Leifson to Joshua Lederberg Publication: Produced: 3 June 1955 Subject(s): Cell Culture TechniquesFlagellaGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Herman C. Lichstein to Joshua Lederberg Publication: Produced: undated Subject(s): Cell Culture TechniquesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Edward L. Tatum Publication: Produced: 19 September 1945 Subject(s): Cell Culture TechniquesEscherichia coliGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Salvador E. Luria to Joshua Lederberg Publication: Produced: 2 August 1946 Subject(s): BacteriophagesCell Culture TechniquesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Robert J. Mandle to Joshua Lederberg Publication: Produced: 17 June 1949 Subject(s): Cell Culture TechniquesGenetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from R. G. E. Murray to Joshua Lederberg Publication: Produced: 5 August 1952 Subject(s): Cell Culture TechniquesLysogenyGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)