1. Letter from Joshua Lederberg to R. S. Benham Publication: Produced: 16 February 1951 Subject(s): Cell Culture TechniquesEscherichia coliRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. 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)
3. Letter from Joshua Lederberg to P. R. Edwards Publication: Produced: 13 June 1950 Subject(s): Cell Culture TechniquesRecombination, GeneticSerology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Joshua Lederberg to Allan M. Campbell Publication: Produced: 24 September 1953 Subject(s): Cell Culture TechniquesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Julius Marmur to Joshua Lederberg Publication: Produced: 14 February 1955 Subject(s): Cell Culture TechniquesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from Joshua Lederberg to Germaine Cohen-Bazire Publication: Produced: 9 March 1954 Subject(s): Recombination, GeneticCell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)