Titles
- Postcard from Edward L. Tatum to Joshua Lederberg15
- Letter from Francis J. Ryan to Joshua Lederberg14
- Letter from Joshua Lederberg to Aaron Novick14
- Letter from Linus Pauling to Warren Weaver14
- Letter from Walter Treadway to Lawrence Kolb14
- Letter from Joshua Lederberg to Jacques Monod13
- Letter from Alan Gregg to his wife12
- Letter from George W. Beadle to Joshua Lederberg12
- Letter from Lawrence Kolb to Walter Treadway12
- Letter from Salvador E. Luria to Tracy M. Sonneborn12
- Letter from T. R. Hogness to Joshua Lederberg12
- [Awarding of the Bronze Star]12
- Letter from Alton Ochsner to Michael E. DeBakey11
- Letter from Howard B. Newcombe to Joshua Lederberg11
- Letter from Joshua Lederberg to Bernard D. Davis11
- Letter from Wilson S. Stone to Joshua Lederberg11
- Letter from Aaron Novick to Joshua Lederberg10
- Letter from Barbara McClintock to Curt Stern10
- Letter from Carleton Simon to Lawrence Kolb10
- Letter from Lawrence Kolb to Carleton Simon10