Titles
- Letter from Jeffrey L. Sturchio, Isis to Joshua Lederberg1
- Letter from Joe Marwah to Marshall W. Nirenberg1
- Letter from John A. Moore to Joshua Lederberg6
- Letter from John F. Kullberg, American Society for the Prevention of Cruelty to Animals to Joshua Lederberg1
- Letter from John H. Adams, Natural Resources Defense Council to Joshua Lederberg1
- Letter from Joseph Fruton to Maxine Singer1
- Letter from Joshua Goldstein to Joshua Lederberg1
- Letter from Linus Pauling to Paul A. Marks1
- Letter from Lynn Rusten, Committee on International Security and Arms Control (CISAC) to Philip S. Brachman1
- Letter from M. B. Sahasrabudhe to Joshua Lederberg2
- Letter from Michael B. Price to Edward D. Freis1
- Letter from Mike Kapis to Marshall W. Nirenberg1
- Letter from Nathan Reingold to Joshua Lederberg1
- Letter from Patricia Dudley to Joshua Lederberg1
- Letter from Paul A. Marks, Memorial Sloan-Kettering Cancer Center to Joshua Lederberg1
- Letter from Paul Berg to Joshua Lederberg1
- Letter from Phil R. Manning and Lois DeBakey to Joshua Lederberg1
- Letter from Phil R. Manning to Joshua Lederberg2
- Letter from Philip S. Brachman to Lynn Rusten, Committee on International Security and Arms Control (CISAC)1
- Letter from R. D. Harvey, John Innes Horticultural Institution to Joshua Lederberg1