Titles
- Letter from Frank Fenner to Joshua Lederberg17
- Letter from Joshua Lederberg to Eugene Garfield17
- Letter from Joshua Lederberg to George W. Beadle17
- Letter from Joshua Lederberg to Howard B. Newcombe17
- Letter from Joshua Lederberg to John Z. Bowers17
- Letter from Stanfield Rogers to Joshua Lederberg17
- Letter from Aaron Klug to Francis Crick16
- Letter from Helen (Byers) Bernstein to Joshua Lederberg16
- Letter from Joshua Lederberg to Clive C. Spicer16
- Letter from Joshua Lederberg to Gordon Allen16
- Letter from Joshua Lederberg to Martin M. Kaplan, World Health Organization16
- Postcard from Edward L. Tatum to Joshua Lederberg16
- Excerpt from Alan Gregg's Brazil diary15
- Letter from Albert Rothenberg to Joshua Lederberg15
- Letter from Fritz Kauffmann to Joshua Lederberg15
- Letter from Joshua Lederberg to Barton Childs15
- Letter from Joshua Lederberg to Boris Ephrussi15
- Letter from Joshua Lederberg to C. A. Elvehjem15
- Letter from Joshua Lederberg to John A. Moore15
- Letter from Joshua Lederberg to Sydney D. Rubbo15