Titles
- Letter from Aleck Bernstein to Joshua Lederberg18
- Letter from Barbara J. Bachmann to Joshua Lederberg18
- Letter from Hilary Koprowski to Joshua Lederberg18
- Letter from Kimball Atwood to Joshua Lederberg18
- Letter from Peter Medawar to Joshua Lederberg18
- Letter from Yukinori Hirota to Joshua Lederberg18
- Letter from A. D. Hershey to Joshua Lederberg17
- Letter from Ann Landers to Joshua Lederberg17
- Letter from Charles R. Drew to Lenore (Robbins) Drew17
- Letter from Florence R. Sabin to Mary Sabin17
- Letter from Frank Fenner to Joshua Lederberg17
- Letter from Stanfield Rogers to Joshua Lederberg17
- Letter from Aaron Klug to Francis Crick16
- Letter from Helen (Byers) Bernstein to Joshua Lederberg16
- Letter from Albert Rothenberg to Joshua Lederberg15
- Letter from Fritz Kauffmann to Joshua Lederberg15
- Letter from Kenneth A. Bisset to Joshua Lederberg15
- Letter from Leo Szilard to Joshua Lederberg15
- Letter from Ralph G. Meader to Joshua Lederberg15
- Letter from W. H. Freeman, W. H. Freeman and Company to Joshua Lederberg15