Titles
- Letter from Joshua Lederberg to Igor Y. Tamm, Lebedev's Institute for Physical Research2
- Letter from Joshua Lederberg to James A. Jenkins2
- Letter from Joshua Lederberg to James L. Goddard2
- Letter from Joshua Lederberg to John A. Fuerst2
- Letter from Joshua Lederberg to John Fried2
- Letter from Joshua Lederberg to Lawrence L. Weed2
- Letter from Joshua Lederberg to Lois Larkin2
- Letter from Joshua Lederberg to Michael Doudoroff2
- Letter from Joshua Lederberg to Morton Mintz, Washington Post2
- Letter from Joshua Lederberg to Norman H. Horowitz2
- Letter from Joshua Lederberg to Orr Reynolds2
- Letter from Joshua Lederberg to Robert Neild, Stockholm International Peace Research Institute2
- Letter from Joshua Lederberg to Salvador E. Luria2
- Letter from Joshua Lederberg to Sydney D. Rubbo2
- Letter from Joshua Lederberg to Thomas C. Nelson2
- Letter from Joshua Lederberg to Werner Braun2
- Letter from Kimball Atwood to Joshua Lederberg2
- Letter from L. M. Black to Joshua Lederberg2
- Letter from Leo Szilard to Joshua Lederberg2
- Letter from Norton D. Zinder to Joshua Lederberg2