1. 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)
2. 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)