Titles
- Letter from Matthew Meselson to Joshua Lederberg6
- Letter from Michael S. Gazzaniga to Joshua Lederberg6
- Letter from Otto Westphal to Joshua Lederberg6
- Letter from Paul Berg to Francis Crick6
- Letter from Rebecca W. Rimel, Pew Charitable Trusts to Joshua Lederberg6
- Letter from Robert H. Alway to Joshua Lederberg6
- Letter from Royston C. Clowes to Joshua Lederberg6
- Letter from Sol Spiegelman to Jacques Monod6
- Letter from Stephen Zamenhof to Joshua Lederberg6
- Letter from Taliaferro Clark to Lawrence Kolb6
- Letter from Vittorio Sgaramella to Joshua Lederberg6
- Letter from W. W. Wilkerson to John E. Fogarty6
- Letter from Ward Pigman to Joshua Lederberg6
- Letter from Wendell M. Stanley to Maclyn McCarty6
- Letter from William Osler to Francis J. Shepherd [Transcript]6
- Letter from William Osler to J. George Adami [Transcript]6
- Memorandum from Elliott C. Levinthal to Joshua Lederberg6
- Memorandum from Joshua Lederberg to Clayton Rich6
- Route slip6
- The Health Consequences of Smoking6