Titles
- 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 Kenneth McQuillen to Joshua Lederberg7
- Letter from Lawrence F. Flick to William Osler [Transcript]7
- Letter from Leonard Herzenberg to Joshua Lederberg7
- Letter from Mark Weidenbaum to Joshua Lederberg7
- Letter from Martin R. Pollock to Joshua Lederberg7
- Letter from Mary Lasker to Florence Mahoney7
- Letter from Phil R. Manning to Joshua Lederberg7
- Letter from Philip Goldstein to Joshua Lederberg7
- Letter from Pnina Abir-Am to Joshua Lederberg7