Titles
- Letter from George Ivanovics to Joshua Lederberg3
- Letter from George W. Beadle to Barbara McClintock3
- Letter from George W. Corner, American Philosophical Society to Joshua Lederberg3
- Letter from Georgiana M. Jagiello to Joshua Lederberg3
- Letter from Giuseppe Sermonti to Joshua Lederberg3
- Letter from Gladys L. Hobby to Joshua Lederberg3
- Letter from Gordon Wolstenholme to Joshua Lederberg3
- Letter from Guiseppe Bertani to Joshua Lederberg3
- Letter from H. B. Andervont to Joshua Lederberg3
- Letter from H. B. Woodruff to Joshua Lederberg3
- Letter from H. Branch Howe, Jr. to Joshua Lederberg3
- Letter from H. Fraenkel-Conrat to Rosalind Franklin3
- Letter from H. H. Plough to Joshua Lederberg3
- Letter from H. Hugh Fudenberg to Joshua Lederberg3
- Letter from H. Keffer Hartline to Joshua Lederberg3
- Letter from Hans L. Kornberg to Joshua Lederberg3
- Letter from Harold Amos to Joshua Lederberg3
- Letter from Harold Varmus to Mike Fried, Imperial Cancer Research Fund Laboratories3
- Letter from Harriett Ephrussi-Taylor to Oswald T. Avery3
- Letter from Henry F. Epstein to Joshua Lederberg3