Titles
- Letter from George Gamow to Francis Crick4
- Letter from George Streisinger to Joshua Lederberg4
- Letter from George Wald to Joshua Lederberg4
- Letter from Glenn T. Seaborg, United States Atomic Energy Commission to Joshua Lederberg4
- Letter from Greg Tombline to Vittorio Sgaramella4
- Letter from Gunther S. Stent to Joshua Lederberg4
- Letter from H. A. Bruce to William Osler [Transcript]4
- Letter from H. Bentley Glass to Joshua Lederberg4
- Letter from Haig Papazian to Joshua Lederberg4
- Letter from Harold W. Wolf to Joshua Lederberg4
- Letter from Harrison Brown to Joshua Lederberg4
- Letter from Harry Schwartz, New York Times to Joshua Lederberg4
- Letter from Hattie E. Alexander to Joshua Lederberg4
- Letter from Henry D. Paley, Commission on Independent Colleges and Universities to Joshua Lederberg4
- Letter from Herman W. Lewis, National Science Foundation to Joshua Lederberg4
- Letter from Homer E. Newell to Joshua Lederberg4
- Letter from Howard Potter to Lawrence Kolb4
- Letter from Hubert H. Humphrey to Mary Lasker4
- Letter from Igor N. Asheshov to Joshua Lederberg4
- Letter from Irena Koprowska to Joshua Lederberg4