Titles
- Letter from Helen (Byers) Bernstein to Joshua Lederberg2
- Letter from Henry F. Epstein to Joshua Lederberg2
- Letter from Howard L. Resnikoff, National Science Foundation to Joshua Lederberg2
- Letter from Isac Halbrecht to Joshua Lederberg2
- Letter from James E. Cleaver to Joshua Lederberg2
- Letter from John Z. Bowers, Josiah Macy, Jr. Foundation to Joshua Lederberg2
- Letter from Joshua Lederberg to Alexander D. Forger2
- Letter from Joshua Lederberg to David R. Lide, Jr.2
- Letter from Joshua Lederberg to Eviatar Zerubavel2
- Letter from Joshua Lederberg to Frank H. T. Rhodes2
- Letter from Joshua Lederberg to Leon I. Goldberg2
- Letter from Joshua Lederberg to Linda H. Clever2
- Letter from Joshua Lederberg to Philip Goldstein2
- Letter from Joshua Lederberg to Richard Wilson2
- Letter from Joshua Lederberg to Robert H. Ebert, Milbank Memorial Fund2
- Letter from Joshua Lederberg to W. Gordon Whaley2
- Letter from Joshua Lederberg to Walter F. Murphy2
- Letter from Joshua Lederberg to William A. Clebsch2
- Letter from Joshua Lederberg to William C. Gibson2
- Letter from Luca Cavalli-Sforza to Joshua Lederberg2