Titles
- Letter from Joshua Lederberg to Gordon Allen12
- Letter from Joshua Lederberg to Hideo Kikkawa12
- Letter from Joshua Lederberg to Hugh Odishaw12
- Letter from Joshua Lederberg to James D. Watson12
- Letter from Joshua Lederberg to Lloyd V. Berkner12
- Letter from Joshua Lederberg to M. L. Morse12
- Letter from Joshua Lederberg to Martin R. Pollock12
- Letter from Joshua Lederberg to Palmer David Skaar12
- Letter from Joshua Lederberg to Robert Paul Levine12
- Letter from Joshua Lederberg to Werner Braun12
- Letter from Joshua Lederberg to Yukinori Hirota12
- Letter from Leon A. Heppel to Maxine Singer12
- Letter from Myron Tribus to Joshua Lederberg12
- Letter from Ntinos C. Myrianthopoulos to Joshua Lederberg12
- Letter from S. Gaylen Bradley to Joshua and Esther Lederberg12
- Letter from Shozo Inoki to Joshua Lederberg12
- Letter from Tetsuo Iino to Joshua Lederberg12
- Memorandum from John Parascandola to Donald A. B. Lindberg12
- Memorandum from Joshua Lederberg12
- [NLM- Construction: General view looking southeast]12