Titles
- Letter from Henry Brosin to Joshua Lederberg2
- Letter from Joshua Lederberg to Alejandro Zaffaroni2
- Letter from Joshua Lederberg to H. J. Muller2
- Letter from Joshua Lederberg to Homer Warner2
- Letter from Joshua Lederberg to James E. Webb2
- Letter from Joshua Lederberg to John W. Macy, Jr.2
- Letter from Joshua Lederberg to John Z. Bowers2
- Letter from Joshua Lederberg to Matthew Meselson2
- Letter from Manuel V. Ortega to Esther Lederberg2
- Letter from Matthew Meselson to Joshua Lederberg2
- Letter from Odom Fanning to Joshua Lederberg2
- Letter from Pedro Galindo to Fred L. Soper2
- Letter from Peter Medawar to Joshua Lederberg2
- Letter from R. Sargent Shriver, Jr. to Joshua Lederberg2
- Letter from Sol Spiegelman to D. H. L. Bishop2
- Letter from Stanfield Rogers to Joshua Lederberg2
- Letter from W. H. Duehren to Adrian Kantrowitz2
- Letter from William J. Wiswesser to Joshua Lederberg2
- Memorandum from Eva M. Handal [on assignment of planning grant applications to National Advisory Council members]2
- A Hereditary Tummy-Ache?1