Titles
- Letter from J. S. K. Boyd to Joshua Lederberg4
- Letter from Roger Y. Stanier to Joshua Lederberg4
- Letter from Thomas C. Nelson to Joshua Lederberg4
- Letter from Alain Bussard to Joshua Lederberg3
- Letter from Arthur Brown to Joshua Lederberg3
- Letter from Burton A. Waisbren to Joshua Lederberg3
- Letter from Edgar Altenburg to Joshua Lederberg3
- Letter from Francis J. Ryan to Joshua Lederberg3
- Letter from Ralph A. Lewin to Joshua Lederberg3
- Letter from Robert Paul Levine to Joshua Lederberg3
- Letter from Salvador E. Luria to Joshua Lederberg3
- Letter from Shozo Inoki to Joshua Lederberg3
- Letter from Sofia "Topsy" (Simmonds) Fruton to Joshua Lederberg3
- Letter from Tetsu Nakayama to Joshua Lederberg3
- Letter from William D. McElroy to Joshua Lederberg3
- State Hospital for Epileptics, Caro, Michigan: General view3
- [Charles F. Menninger]3
- Letter from Alain Bussard to Joshua and Esther Lederberg2
- Letter from Albert Waugh to Joshua Lederberg2
- Letter from Avram Goldstein to Joshua Lederberg2