Titles
- 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
- Letter from Robert Waldinger to Joshua Lederberg7
- Letter from Rosalind Franklin to Barry Commoner7
- Letter from Rosalind Franklin to H. Fraenkel-Conrat7
- Letter from Salvador E. Luria to the editor of The Boston Globe7
- Letter from Samuel Graff to Joshua Lederberg7
- Letter from Seymour H. Hutner to Joshua Lederberg7