Titles
- Letter from Jean Weigle to Joshua Lederberg3
- Letter from Joseph Lein to Joshua Lederberg3
- Letter from Kenneth V. Thimann to Joshua Lederberg3
- Letter from Norton D. Zinder to Joshua Lederberg3
- Letter from Otto Kandler to Joshua Lederberg3
- Letter from Owen H. Wangensteen to Clarence Dennis3
- Letter from Rosalind Franklin to F. C. Bawden3
- Letter from Rosalind Franklin to L. H. Gray3
- Letter from S. Gaylen Bradley to Joshua Lederberg3
- Letter from S. Gaylen Bradley to Joshua and Esther Lederberg3
- Oswald Theodore Avery, 21st October 1877 - 20th February 19553
- Growth and Inheritance in Bacteriophage2
- Letter from A. D. Hershey to Joshua Lederberg2
- Letter from Alexander Tomasz and Peter Lengyel to Joshua Lederberg2
- Letter from Arthur Kornberg to H. Gobind Khorana2
- Letter from Avram Goldstein to Joshua Lederberg2
- Letter from Barbara Atwood to Joshua Lederberg2
- Letter from Boris Rotman to Joshua Lederberg2
- Letter from C. Phillip Miller to Joshua Lederberg2
- Letter from David R. Goddard, National Academy of Sciences to Joshua Lederberg2