Titles
- Letter from Barbara McClintock to Curt Stern13
- Letter from C. B. Van Niel to Joshua Lederberg13
- Letter from Clive C. Spicer to Joshua Lederberg13
- Letter from Harry Eagle to Joshua Lederberg13
- Letter from Hugh Odishaw to Joshua Lederberg13
- Letter from James D. Watson to Joshua Lederberg13
- Letter from Joshua Lederberg to Aleck Bernstein13
- Letter from Joshua Lederberg to Alexander Hollaender13
- Letter from Joshua Lederberg to Avram Goldstein13
- Letter from Joshua Lederberg to C. C. Lindegren13
- Letter from Joshua Lederberg to Carl-Goran Heden13
- Letter from Joshua Lederberg to F. M. Burnet13
- Letter from Joshua Lederberg to Harry Eagle13
- Letter from Joshua Lederberg to Jack Edman13
- Letter from Joshua Lederberg to Paul N. McCloskey, Jr.13
- Letter from Joshua Lederberg to Pierre Fredericq13
- Letter from Joshua Lederberg to Werner Braun13
- Letter from M. L. Morse to Joshua and Esther Lederberg13
- Letter from Mike Gorman to Mary Lasker13
- Letter from R. Sargent Shriver, Jr. to Joshua Lederberg13