Titles
- Letter from Joshua Lederberg to Gaylord Nelson2
- Letter from Joshua Lederberg to Jacob Marschak2
- Letter from Joshua Lederberg to John V. Tunney2
- Letter from Joshua Lederberg to Joseph Fletcher2
- Letter from Joshua Lederberg to Kenneth R. Hansen2
- Letter from Joshua Lederberg to Orio Ciferri2
- Letter from Joshua Lederberg to Paul G. Rogers2
- Letter from Joshua Lederberg to R. A. Brink2
- Letter from Joshua Lederberg to William F. Raub2
- Letter from Joshua Lederberg to the National Cancer Institute2
- Letter from Martin M. Kaplan, World Health Organization to Joshua Lederberg2
- Letter from Meyer W. Weisgal to Joshua Lederberg2
- Letter from Michael E. DeBakey to President Richard M. Nixon2
- Letter from Orio Ciferri to Joshua Lederberg2
- Letter from R. A. Brink to Joshua Lederberg2
- Letter from Robert C. Olby to Joshua Lederberg2
- Letter from William R. Baker to Joshua Lederberg2
- Arms Control [Letter to the Editor of Science]1
- Letter from A. A. Buzzati-Traverso to Joshua Lederberg1
- Letter from Abraham A. Ribicoff to Joshua Lederberg1