Titles
- Letter from Carl Djerassi to Joshua Lederberg7
- Letter from Clarabell Presley to Henry Swan7
- Letter from Clarence Dennis to Karl E. Karlson7
- Letter from Daniel Mazia to Joshua Lederberg7
- Letter from Detlev Wulf Bronk to Joshua Lederberg7
- Letter from Edward D. Garber to Joshua Lederberg7
- Letter from Elise Cahn to Joshua Lederberg7
- Letter from F. C. Bawden to Rosalind Franklin7
- Letter from Florence R. Sabin to Rudolph J. Anderson7
- Letter from Francis Crick to H. Gobind Khorana7
- Letter from Frederick Seitz to Joshua Lederberg7
- Letter from Freeman A. Weiss to Joshua Lederberg7
- Letter from G. A. Derbyshire to Joshua Lederberg7
- Letter from General Carlton Jones to William Osler [Transcript]7
- Letter from Henry Brosin to Joshua Lederberg7
- Letter from Hisao Uetake to Joshua Lederberg7
- Letter from John V. Tunney to Joshua Lederberg7
- Letter from John Z. Bowers to Joshua Lederberg7
- Letter from Joshua Lederberg to Arne Tiselius7
- Letter from Joshua Lederberg to Attallah Kappas7