1. Letter from Marjory Stephenson to Walter Fletcher Publication: Produced: 8 November 1931 Subject(s): GenesResearch PersonnelResearch Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
2. Letter from Joshua Lederberg to E. S. Lindstrom Publication: Produced: 5 October 1953 Subject(s): Cell Culture TechniquesResearchResearch Personnel Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Alain Bussard Publication: Produced: 7 June 1956 Subject(s): Genetics, MicrobialResearch PersonnelResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Joshua Lederberg to Bernard D. Davis Publication: Produced: 4 July 1949 Subject(s): ResearchResearch Personnel Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Joshua Lederberg to Bernard D. Davis Publication: Produced: 27 July 1949 Subject(s): MethodsResearchResearch Personnel Archival Collection: The Joshua Lederberg Papers (Profiles in Science)