- Letter from Joshua Lederberg to Lily Kay1
- Letter from Joshua Lederberg to Malcolm Wiener1
- Letter from Joshua Lederberg to R. E. Huber1
- Letter from Joshua Lederberg to Richard Dantzig1
- Letter from Joshua Lederberg to Richard Danzig, Pentagon1
- Letter from Joshua Lederberg to Richard Dautzig, Pentagon1
- Letter from Joshua Lederberg to Richard T. Perkin, VZV Research Foundation1
- Letter from Joshua Lederberg to Robert E. Kohler1
- Letter from Joshua Lederberg to Robert Ursano1
- Letter from Joshua Lederberg to Rollin D. Hotchkiss1
- Letter from Joshua Lederberg to Yuri Baturin, Russian Federation1
- Letter from Joshua Lederberg to Yury Sergeevich Osipov, Academy of Sciences, U.S.S.R.1
- Letter from Joshua Lederberg to the United States Office of the Vice-President1
- Letter from M. Joycelyn Elders, Antonia C. Novello, C. Everett Koop, Julius Richmond, S. Paul Ehrlich, Jr., and Jesse L. Steinfeld to Edward M. Kennedy1
- Letter from Robert Ursano to Joshua Lederberg1
- Mind-body interactions and disease: a symposium on the relationships between mental states, immune function, and health1
- Molecular genetic studies of cellular aging: implications for aging and cancer1
- NIH director's seminar series1
- NIH health odyssey1
- NIH research festival 19941