Titles
- Letter from Joshua Lederberg to William Hayes21
- Letter from Joshua Lederberg to Boris Rotman20
- Letter from Joshua Lederberg to Thomas C. Nelson20
- Letter from Joshua Lederberg to Torbjorn Caspersson20
- Letter from Joshua Lederberg to James A. Jenkins19
- Letter from Louis S. Baron to Joshua Lederberg19
- Letter from Joshua Lederberg to C. B. Van Niel18
- Letter from Joshua Lederberg to G. J. V. Nossal, Walter & Eliza Hall Institute of Medical Research18
- Letter from Joshua Lederberg to Herman M. Kalckar18
- Letter from Joshua Lederberg to Howard Simons, Washington Post18
- Letter from Joshua Lederberg to Max Zelle18
- Letter from Joshua Lederberg to Philip Handler18
- Letter from Joshua Lederberg to Eugene Garfield17
- Letter from Joshua Lederberg to Roger Y. Stanier17
- Letter from Werner Braun to Joshua Lederberg17
- Letter from Joshua Lederberg to Clive C. Spicer16
- Letter from Joshua Lederberg to John Z. Bowers16
- Letter from Joshua Lederberg to Martin M. Kaplan, World Health Organization16
- Letter from Joshua Lederberg to Norman H. Horowitz16
- Letter from Joshua Lederberg to Sol Spiegelman16