Titles
- Letter from Maurice H. F. Wilkins to Francis Crick4
- Letter from Michael Doudoroff to Joshua Lederberg4
- Letter from Aaron Novick to Joshua Lederberg3
- Letter from Barbara McClintock to Joshua Lederberg3
- Letter from Chester Bowles to Mary Lasker3
- Letter from Harriett Ephrussi-Taylor to Oswald T. Avery3
- Letter from Howard B. Newcombe to Joshua Lederberg3
- Letter from Jacques Monod to Joshua Lederberg3
- Letter from Janey Harting to Joshua Lederberg3
- Letter from Joshua Lederberg to Francis J. Ryan3
- Letter from Joshua Lederberg to H. B. Steinbach3
- Letter from Joshua Lederberg to Herluf H. Strandskov3
- Letter from Joshua Lederberg to Max Zelle3
- Letter from Joshua Lederberg to Nelson K. Richtmyer3
- Letter from Joshua Lederberg to Norton D. Zinder3
- Letter from Joshua Lederberg to Robert Guthrie3
- Letter from Max Zelle to Joshua Lederberg3
- Letter from Nelson K. Richtmyer to Joshua Lederberg3
- Letter from Robert Guthrie to Joshua Lederberg3
- Letter from Seymour S. Cohen to Joshua Lederberg3