Titles
- Letter from Alain Bussard to Joshua Lederberg9
- Letter from Alain Bussard to Joshua and Esther Lederberg9
- Letter from Carl F. Robinow to Joshua Lederberg9
- Letter from David Perkins to Joshua Lederberg9
- Letter from Elof A. Carlson to Joshua Lederberg9
- Letter from Francis Crick to Paul Berg9
- 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 Francois Jacob9
- Letter from Joshua Lederberg to Harrison Brown9
- Letter from Joshua Lederberg to Kenneth V. Thimann9
- Letter from Joshua Lederberg to Louis Dienes9
- Letter from Joshua Lederberg to Myron Tribus9
- Letter from Joshua Lederberg to Peter Medawar9
- Letter from Joshua Lederberg to Robert H. Alway9
- Letter from Joshua Lederberg to Werner K. Maas9
- Letter from Joshua Lederberg to Wolfram Heumann9
- Letter from Lawrence L. Weed to Joshua Lederberg9