1. Letter from Joshua Lederberg to Melvin Cohn Publication: Produced: 22 March 1952 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 26 February 1952 Subject(s): Cell Culture TechniquesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Werner K. Maas Publication: Produced: 29 February 1952 Subject(s): Cell Culture TechniquesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 10 March 1952 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 28 March 1952 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 16 April 1952 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
7. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 19 September 1952 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
8. Letter from Joshua Lederberg to Gertud E. Mislap Publication: Produced: 1952 Subject(s): Cell Culture TechniquesSerology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
9. Letter from Joshua Lederberg to Alice Moran Publication: Produced: 17 April 1952 Subject(s): Cell Culture TechniquesFlagellaGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
10. Letter from R. G. E. Murray to Joshua Lederberg Publication: Produced: 5 August 1952 Subject(s): Cell Culture TechniquesLysogenyGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)