Titles
- Letter from Alain Bussard to Joshua and Esther Lederberg9
- Letter from David Rittenberg to Joshua Lederberg9
- Letter from Elof A. Carlson to Joshua Lederberg9
- Letter from Florence R. Sabin to Ella Strong Denison9
- Letter from Francis Crick to Paul Berg9
- Letter from Harriett Ephrussi-Taylor to Joshua Lederberg9
- Letter from Herbert Nagourney, Comtex Scientific Corporation to Joshua Lederberg9
- Letter from Jack L. Strominger to Joshua Lederberg9
- Letter from Joshua Lederberg to A. Felix9
- Letter from Joshua Lederberg to Alan Garen9
- Letter from Joshua Lederberg to Ellis Englesberg9
- Letter from Joshua Lederberg to Harriett Ephrussi-Taylor9
- Letter from Joshua Lederberg to Harrison Brown9
- Letter from Joshua Lederberg to Kenneth Mather9
- Letter from Joshua Lederberg to Kenneth V. Thimann9
- Letter from Joshua Lederberg to Myron Tribus9
- Letter from Joshua Lederberg to Peter Medawar9
- Letter from Joshua Lederberg to Ralph G. Meader9
- Letter from Joshua Lederberg to Robert H. Alway9
- Letter from Joshua Lederberg to S. C. Rittenberg9