11. 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)
12. 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)
13. 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)
14. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 1950 Subject(s): Cell Culture TechniquesEscherichia coli Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
15. 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)
16. Letter from Joshua Lederberg to Pierre Fredericq Publication: Produced: 21 November 1950 Subject(s): Cell Culture TechniquesEscherichia coli Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
17. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 18 November 1949 Subject(s): Cell Culture TechniquesResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
18. Letter from Joshua Lederberg to J. S. K. Boyd Publication: Produced: 4 May 1951 Subject(s): BacteriophagesCell Culture TechniquesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
19. Letter from Joshua Lederberg to Werner Braun Publication: Produced: 11 December 1949 Subject(s): Cell Culture TechniquesTransformation, Bacterial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
20. Letter from Joshua Lederberg to C. H. Browning Publication: Produced: 22 January 1951 Subject(s): Cell Culture TechniquesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)