Titles
- Letter from Joshua Lederberg to G. J. V. Nossal7
- Letter from Joshua Lederberg to Giovanni Magni7
- Letter from Joshua Lederberg to H. Bentley Glass7
- Letter from Joshua Lederberg to James F. Leonard7
- Letter from Joshua Lederberg to Jerome B. Wiesner, President's Scientific Advisory Committee7
- Letter from Joshua Lederberg to Lawrence Okun7
- Letter from Joshua Lederberg to Marcus M. Rhoades7
- Letter from Joshua Lederberg to Max Delbruck7
- Letter from Joshua Lederberg to Ralph A. Lewin7
- Letter from Joshua Lederberg to Richard Davies7
- Letter from Joshua Lederberg to Robert C. Olby7
- Letter from Joshua Lederberg to Robert Guthrie7
- Letter from Joshua Lederberg to Robert K. Merton7
- Letter from Joshua Lederberg to Shozo Inoki7
- Letter from Joshua Lederberg to Thomas D. Brock7
- Letter from Joshua Lederberg to the New York Times7
- Letter from Lawrence F. Flick to William Osler [Transcript]7
- Letter from William F. Raub to Joshua Lederberg7
- Medical exam - infant through age twelve7
- Paracelsus7