11. Letter from Robert Paul Levine to Joshua Lederberg Publication: Produced: 7 March 1953 Subject(s): DrosophilaResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
12. Letter from Charles Huttrer to Joshua Lederberg Publication: Produced: 28 July 1955 Subject(s): Expert TestimonyResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
13. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 7 April 1954 Subject(s): Cell Culture TechniquesResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
14. Letter from Joshua Lederberg to Werner K. Maas Publication: Produced: 8 July 1951 Subject(s): Genetics, MicrobialRecombination, GeneticResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
15. Letter from Frank Davis, United States Department of Agriculture to Joshua Lederberg Publication: Produced: 21 April 1950 Subject(s): Research Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
16. Letter from Joshua Lederberg to Frank Davis, United States Department of Agriculture Publication: Produced: 11 April 1950 Subject(s): Research Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
17. 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)
18. Letter from Joshua Lederberg to H. J. Muller Publication: Produced: 15 March 1950 Subject(s): Mutagenicity TestsResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
19. Letter from H. J. Muller to Joshua Lederberg Publication: Produced: 16 March 1950 Subject(s): Mutagenicity TestsResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)