31. 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)
32. Letter from Joshua Lederberg to Michael Doudoroff Publication: Produced: 16 July 1948 Subject(s): Cell Culture TechniquesEscherichia coliMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
33. Letter from Joshua Lederberg to Ellis Englesberg Publication: Produced: 12 January 1950 Subject(s): Escherichia coliMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
34. Letter from Joshua Lederberg to C. Phillip Miller Publication: Produced: 20 February 1951 Subject(s): Escherichia coliBacterial Toxins Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
35. Letter from C. Phillip Miller to Joshua Lederberg Publication: Produced: 26 February 1951 Subject(s): Bacterial ToxinsEscherichia coli Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
36. Letter from Joshua Lederberg to M. Demerec Publication: Produced: 6 April 1949 Subject(s): Escherichia coliResearch Personnel Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
37. Letter from Joshua Lederberg to C. Phillip Miller Publication: Produced: 5 December 1951 Subject(s): Escherichia coliMutationDrug Resistance, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
38. Letter from Joshua Lederberg to Mario U. Dianzani Publication: Produced: 9 January 1951 Subject(s): Escherichia coliMutationResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
39. Letter from Joshua Lederberg to Jacques Monod Publication: Produced: 27 January 1948 Subject(s): Escherichia coliGenetics, MicrobialGalactosidases Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
40. Letter from Joshua Lederberg to H. J. Muller Publication: Produced: 19 August 1956 Subject(s): Recombination, GeneticEscherichia coliMutationResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)