31. Induced Reversions of the Biochemical Mutants in Neurospora crassa Publication: Botanical Society of America, March 1948 Subject(s): MutationGenesNeurospora crassa Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
32. Letter from Joshua Lederberg to Ralph G. Meader Publication: Produced: 20 November 1947 Subject(s): Escherichia coliMutationTransformation, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
33. Letter from Joshua Lederberg to Seymour S. Cohen Publication: Produced: 21 June 1949 Subject(s): Mutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
34. Letter from Joshua Lederberg to James Bonner Publication: Produced: 7 September 1948 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
35. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 15 December 1948 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
36. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 17 November 1948 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
37. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 11 September 1948 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
38. Letter from Samuel J. Ajl to Joshua Lederberg Publication: Produced: 21 September 1949 Subject(s): Cell Culture TechniquesEscherichia coliMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
39. Excerpt from and transcript of a diary page Publication: Produced: [20 January 1945, 1998] Subject(s): Transformation, GeneticDNAMutation Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
40. Excerpt from "Genetics and the Origin of Species" Publication: Columbia University Press, 1941 Subject(s): GeneticsRecombination, GeneticTransformation, GeneticPolysaccharides, BacterialMutation Archival Collection: The Oswald T. Avery Collection (Profiles in Science)