Titles
- Letter from Edwin C. Whitehead to Joshua Lederberg5
- Letter from Joshua Lederberg to Attallah Kappas5
- Letter from Joshua Lederberg to Edwin C. Whitehead5
- Letter from Linda H. Clever to Joshua Lederberg5
- Letter from Phil R. Manning to Joshua Lederberg5
- Letter from Wayne C. Jaeschke to Joshua Lederberg5
- Letter from David Barzilai, Technion-Israel Institute of Technology to Joshua Lederberg4
- Letter from Edward E. David, Jr. to Joshua Lederberg4
- Letter from Herschel Roman to Joshua Lederberg4
- Letter from I. Bernard Cohen to Joshua Lederberg4
- Letter from Joshua Lederberg to Barbara J. Bachmann4
- Letter from Joshua Lederberg to Bruce Wallace4
- Letter from Joshua Lederberg to David A. Hamburg4
- Letter from Joshua Lederberg to James F. Crow4
- Letter from Joshua Lederberg to Joseph C. Hinsey4
- Letter from Joshua Lederberg to Noel Gayler4
- Letter from Joshua Lederberg to Rodman C. Rockefeller4
- Letter from Joshua Lederberg to Susan E. Garfield4
- Letter from Joshua Lederberg to Wayne C. Jaeschke4
- Letter from Joshua Lederberg to William C. Gibson4