1. Letter from Joshua Lederberg to H. J. Muller Publication: Produced: 19 August 1956 Subject(s): Recombination, GeneticEscherichia coliMutationResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Kenneth Mather Publication: Produced: 21 December 1946 Subject(s): Recombination, GeneticResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Maclyn McCarty Publication: Produced: 3 March 1947 Subject(s): ResearchRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 2 April 1947 Subject(s): Recombination, GeneticResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 27 January 1949 Subject(s): MutationRecombination, GeneticResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from Joshua Lederberg to Werner K. Maas Publication: Produced: 16 December 1950 Subject(s): Recombination, GeneticResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)