11. 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)
12. 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)
13. 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)
14. 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)
15. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 13 October 1951 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
16. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 12 June 1950 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
17. 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)
18. Letter from Joshua Lederberg to Gordon Allen Publication: Produced: 23 January 1950 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
19. Letter from Joshua Lederberg to Gordon Allen Publication: Produced: 19 May 1950 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
20. Letter from Joshua Lederberg to Gordon Allen Publication: Produced: 20 March 1950 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)