Titles
- Letter from Emile Holman to Joshua Lederberg1
- Letter from Emile Zuckerkandl to Joshua Lederberg1
- Letter from Ernest J. Eichwald to Joshua Lederberg1
- Letter from Esther Lederberg to Toshihiko Okada1
- Letter from Eugene P. Wigner to Joshua Lederberg1
- Letter from Eugene P. Wigner to Mark Van Doren1
- Letter from Francis Crick to Joshua Lederberg1
- Letter from Francis J. Ryan to Joshua Lederberg1
- Letter from Frank Fenner to Joshua Lederberg1
- Letter from Frank M. Huennekens to Joshua Lederberg1
- Letter from Frederick Seitz to James E. Webb1
- Letter from G. A. Derbyshire to Joshua Lederberg1
- Letter from G. Desmond Clark-Walker to Joshua Lederberg1
- Letter from Geoffrey Guy Meynell to Joshua Lederberg1
- Letter from George E. Forsythe to Robert Sears1
- Letter from George W. Beadle to Joshua Lederberg1
- Letter from Giovanni Magni and Luca Cavalli-Sforza to Joshua Lederberg1
- Letter from H. H. Hess to James E. Webb1
- Letter from H. J. Muller to the Nobel Committee for Physiology or Medicine1
- Letter from Hans Karl Wendl to Virginia Apgar1