Titles
- Letter from Isabelle Havens to Joshua Lederberg3
- Letter from Isac Halbrecht to Joshua Lederberg3
- Letter from Israel Halperin to Marshall W. Nirenberg3
- Letter from Ivan L. Bennett, Jr. to Joshua Lederberg3
- Letter from J. Dubnoff to Joshua Lederberg3
- Letter from J. L. Howatt to Joshua Lederberg3
- Letter from J. Oliver Lampen, American Cyanamid Company to Joshua Lederberg3
- Letter from J. R. Heller to John E. Fogarty3
- Letter from Jack Edman to Joshua Lederberg3
- Letter from Jack S. Cohen to Alfred E. Mirsky3
- Letter from Jack Schultz to Joshua Lederberg3
- Letter from James D. Watson to Rosalind Franklin3
- Letter from James E. Cleaver to Joshua Lederberg3
- Letter from James Gutmann to Joshua Lederberg3
- Letter from James L. Goddard to Joshua Lederberg3
- Letter from Jay A. Levy, University of California, San Francisco School of Medicine to Harold Varmus3
- Letter from Jean Husted, W. B. Saunders Company to Joshua Lederberg3
- Letter from Jean-Claude Ameisen to Joshua Lederberg3
- Letter from Jerald S. Feitelson to Joshua Lederberg3
- Letter from Joel L. Brenner to Joshua Lederberg3