Titles
- Letter from Joshua Lederberg to Sol H. Goodgal6
- Letter from Joshua Lederberg to Stephen Juhasz6
- Letter from Joshua Lederberg to T. R. Hogness6
- Letter from Joshua Lederberg to Vernon Bryson6
- Letter from Joshua Lederberg to William D. McElroy6
- Letter from Joshua Lederberg to William Gorham6
- Letter from Joshua Lederberg to William O. Baker6
- Letter from Joshua Lederberg to William T. Golden6
- Letter from Lawrence Kolb to Lloyd H. Ziegler6
- Letter from Marcus M. Rhoades to Joshua Lederberg6
- Letter from Margaret Lieb to Joshua Lederberg6
- Letter from Martin Kristensen to Joshua Lederberg6
- Letter from Matthew Meselson to Joshua Lederberg6
- Letter from Michael S. Gazzaniga to Joshua Lederberg6
- Letter from Otto Westphal to Joshua Lederberg6
- Letter from Paul Berg to Francis Crick6
- Letter from Rebecca W. Rimel, Pew Charitable Trusts to Joshua Lederberg6
- Letter from Robert H. Alway to Joshua Lederberg6
- Letter from Royston C. Clowes to Joshua Lederberg6
- Letter from Sol Spiegelman to Jacques Monod6