Titles
- Letter from Joshua Lederberg to Andre Boivin3
- Letter from Joshua Lederberg to Harriett Ephrussi-Taylor3
- Letter from Joshua Lederberg to J. C. Woodruff3
- Letter from Joshua Lederberg to Jacques Monod3
- Letter from Joshua Lederberg to M. R. Irwin3
- Letter from Joshua Lederberg to R. A. Brink3
- Letter from Joshua Lederberg to Ralph G. Meader3
- Letter from Joshua Lederberg to Ward Pigman3
- Letter from Samuel Graff to Joshua Lederberg3
- Letter from Ward Pigman to Joshua Lederberg3
- The Lasker Awards for 19473
- Enzyme Experiments2
- Letter from Alfred J. Weil, American Cyanamid Company to Joshua Lederberg2
- Letter from Barbara McClintock to Curt Stern2
- Letter from Curt Stern to Joshua Lederberg2
- Letter from Edward L. Tatum to Joshua Lederberg2
- Letter from Evelyn Witkin to Joshua Lederberg2
- Letter from Frede B. Strandskov to Joshua Lederberg2
- Letter from Fritz Kauffmann to Joshua Lederberg2
- Letter from Herman N. Eisen to Joshua Lederberg2