Titles
- Letter from Herman A. Witkin to Joshua Lederberg2
- Letter from James F. O'Donnell to Robert M. Baer, Metadata Corporation2
- Letter from Joshua Lederberg to Edward L. Tatum2
- Letter from Joshua Lederberg to Gerald F. Winfield2
- Letter from Joshua Lederberg to Robert Waldinger2
- Letter from Joshua Lederberg to Saul Amarel2
- Letter from Joshua Lederberg to Thomas C. Schelling2
- Letter from Joshua Lederberg to William R. Baker2
- Letter from Joshua Lederberg to Yehudit Elkana2
- Letter from Mark Weidenbaum to Joshua Lederberg2
- Letter from Roy D. Schmickel to Daniel Nathans2
- Letter from Thomas C. Schelling to Joshua Lederberg2
- Letter from W. Todd Wipke to Joshua Lederberg2
- Letter from Walter F. Bodmer to Victor A. McKusick2
- Memorandum from Joshua Lederberg2
- Memorandum from Joshua Lederberg to Robert A. Greenes2
- Memorandum from Matthew Spear to Gerald T. Gardell2
- Memorandum from Roland L. Peterson to United States. Bureau of Health Resources Development2
- Pilot arthritis program: summary reports of projects2
- Statement Concerning Safety Hazards Associated with Research on Recombinant DNA Molecules2