Titles
- Letter from Daniel Nathans to Ernest Winocour4
- Letter from David Talmage to Joshua Lederberg4
- Letter from Debi P. Burma to Maxine Singer4
- Letter from Donald L. D. Caspar to Rosalind Franklin4
- Letter from Edward Anders to Joshua Lederberg4
- Letter from Edward L. Tatum to Charles Yanofsky4
- Letter from Edward L. Tatum to R. A. Brink4
- Letter from Ernest C. Pollard to Joshua Lederberg4
- Letter from Ernest Winocour to Daniel Nathans4
- Letter from Ernst Mayr to Joshua Lederberg4
- Letter from Ernst Sorkin to Joshua Lederberg4
- Letter from Erwin Chargaff to Joshua Lederberg4
- Letter from Eugene Garfield, Institute for Scientific Information to Joshua Lederberg4
- Letter from Eugene P. Wigner to Joshua Lederberg4
- Letter from F. Egami to Joshua Lederberg4
- Letter from Felix Haurowitz to Joshua Lederberg4
- Letter from Florence R. Sabin to Simon Flexner4
- Letter from Francis Crick to Arthur Kornberg4
- Letter from Francis Crick to Jacques Monod4
- Letter from Francis Crick to Peter Medawar4