Titles
- Letter from Derrick Rowley to Joshua Lederberg3
- Letter from Frank P. Hungate to Joshua Lederberg3
- Letter from James D. Watson to Francis Crick3
- Letter from M. Demerec to Joshua Lederberg3
- Letter from Seymour Pomper to Joshua Lederberg3
- A Structure for DNA (draft)2
- Letter from Albert Tyler to Joshua Lederberg2
- Letter from Aubrey W. Naylor to Joshua Lederberg2
- Letter from Boris Ephrussi to Joshua Lederberg2
- Letter from David M. Bonner to Joshua Lederberg2
- Letter from E. S. Lindstrom to Joshua Lederberg2
- Letter from Edward L. Tatum to Joshua Lederberg2
- Letter from Ethel McNeil to Joshua Lederberg2
- Letter from F. Duran-Reynals to Joshua Lederberg2
- Letter from Francois Jacob to Joshua Lederberg2
- Letter from Francois Jacob to Joshua and Esther Lederberg2
- Letter from Freeman A. Weiss to Joshua Lederberg2
- Letter from Geoffrey H. Beale to Joshua Lederberg2
- Letter from H. Laven to Joshua Lederberg2
- Letter from Igor N. Asheshov to Joshua Lederberg2