Titles
- Letter from Alfred E. Mirsky to Joshua Lederberg3
- Letter from Allan Scott to Joshua Lederberg3
- Letter from Allan Wittman, John Wiley & Sons to Joshua Lederberg3
- Letter from Alvin M. Weinberg to Joshua Lederberg3
- Letter from Art Galston to Joshua Lederberg3
- Letter from Arthur B. Pardee to Joshua Lederberg3
- Letter from Arthur Brown to Joshua Lederberg3
- Letter from Arthur C. Giese to Joshua Lederberg3
- Letter from Arthur G. Steinberg to Joshua Lederberg3
- Letter from Arthur Kornberg to H. Gobind Khorana3
- Letter from Arthur Kornberg to Robert L. Sinsheimer3
- Letter from Barbara Atwood to Joshua Lederberg3
- Letter from Barbara Atwood to Joshua and Esther Lederberg3
- Letter from Barbara Holcman de Spector to Joshua Lederberg3
- Letter from Barbara McClintock to Curt and Evelyn Stern3
- Letter from Bernice Sacks Lipkin to Joshua Lederberg3
- Letter from Bo Lindell to Joshua Lederberg3
- Letter from Bruce Wallace to Joshua Lederberg3
- Letter from Bryce Crawford, Jr., National Academy of Sciences to Joshua Lederberg3
- Letter from C. B. Van Niel to Joshua and Esther Lederberg3