1. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 14 April 1949 Subject(s): BacteriophagesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Leo Szilard to Salvador E. Luria Publication: Produced: 1 June 1948 Subject(s): BacteriophagesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Max Delbruck Publication: Produced: 30 September 1952 Subject(s): Recombination, GeneticBacteriophages Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Joshua Lederberg to M. Demerec Publication: Produced: 17 February 1949 Subject(s): BacteriophagesCell Culture TechniquesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)