Titles
- Letter from Joshua Lederberg to Alexander Wiley3
- Letter from Joshua Lederberg to Alfred A. Knopf, Inc.3
- Letter from Joshua Lederberg to Anonymous3
- Letter from Joshua Lederberg to Arie J. Haagen-Smit3
- Letter from Joshua Lederberg to Armin C. Braun3
- Letter from Joshua Lederberg to Arno G. Motulsky3
- Letter from Joshua Lederberg to Arnold Ludwig3
- Letter from Joshua Lederberg to Arnold O. Beckman3
- Letter from Joshua Lederberg to Art Galston3
- Letter from Joshua Lederberg to Arthur C. Upton3
- Letter from Joshua Lederberg to Arthur R. Day, Arms Control and Disarmament Agency3
- Letter from Joshua Lederberg to Barbara E. Wright3
- Letter from Joshua Lederberg to Barton J. Bernstein3
- Letter from Joshua Lederberg to Berwind P. Kaufmann3
- Letter from Joshua Lederberg to Bruce W. Holloway3
- Letter from Joshua Lederberg to C. H. Browning3
- Letter from Joshua Lederberg to C. Wayne Bardin3
- Letter from Joshua Lederberg to Carolyn Kopp, Rockefeller University Archives3
- Letter from Joshua Lederberg to Charles A. Evans3
- Letter from Joshua Lederberg to Charles Yanofsky3