Titles
- Letter from Joshua Lederberg to Alfred J. Weil6
- Letter from Joshua Lederberg to Andre Lwoff6
- Letter from Joshua Lederberg to Anthony M. Iannone6
- Letter from Joshua Lederberg to Aura E. Severinghaus6
- Letter from Joshua Lederberg to Barbara McClintock6
- Letter from Joshua Lederberg to Bruce Wallace6
- Letter from Joshua Lederberg to Charles R. Phillips6
- Letter from Joshua Lederberg to David Rockefeller6
- Letter from Joshua Lederberg to David Talmage6
- Letter from Joshua Lederberg to Dennis Flanagan, Scientific American6
- Letter from Joshua Lederberg to Detlev Wulf Bronk6
- Letter from Joshua Lederberg to Edouard Kellenberger6
- Letter from Joshua Lederberg to Edward M. Kennedy6
- Letter from Joshua Lederberg to Edwin C. Whitehead6
- Letter from Joshua Lederberg to Francis Crick6
- Letter from Joshua Lederberg to Frederick L. Stone6
- Letter from Joshua Lederberg to Frits and Ida Orskov6
- Letter from Joshua Lederberg to Gordon Wolstenholme6
- Letter from Joshua Lederberg to Henry P. Treffers6
- Letter from Joshua Lederberg to Herman N. Eisen6