Titles
- Letter from Evelyn Witkin to Joshua Lederberg15
- Letter from Joshua Lederberg to A. D. Hershey15
- 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 Sydney D. Rubbo15
- Letter from Joshua Lederberg to Tetsuo Iino15
- Letter from Kimball Atwood to Joshua Lederberg15
- Letter from Max Zelle to Joshua Lederberg15
- Letter from W. H. Freeman, W. H. Freeman and Company to Joshua Lederberg15
- [James A. Shannon]15
- [President Lyndon Johnson's visit to NIH, 1967]15
- Letter from A. D. Hershey to Joshua Lederberg14
- Letter from Carl-Goran Heden to Joshua Lederberg14
- Letter from E. S. Anderson to Joshua Lederberg14
- Letter from Emma Klieneberger-Nobel to Joshua Lederberg14
- Letter from Francis Crick to James D. Watson14
- Letter from Hideo Kikkawa to Joshua Lederberg14
- Letter from Jacques Monod to Joshua Lederberg14
- Letter from James A. Jenkins to Joshua Lederberg14