Titles
- Letter from Joshua Lederberg to Margaret Lieb5
- Letter from Joshua Lederberg to Matthew Meselson5
- Letter from Joshua Lederberg to Melvin Calvin5
- Letter from Joshua Lederberg to Michael Heidelberger5
- Letter from Joshua Lederberg to Neal B. Groman5
- Letter from Joshua Lederberg to Noel Gayler5
- Letter from Joshua Lederberg to Olavi Makela5
- Letter from Joshua Lederberg to Peter R. Day5
- Letter from Joshua Lederberg to Philip E. Hartman5
- Letter from Joshua Lederberg to R. S. Benham5
- Letter from Joshua Lederberg to Richard L. Masland5
- Letter from Joshua Lederberg to Richard W. Lyman5
- Letter from Joshua Lederberg to Riley D. Housewright5
- Letter from Joshua Lederberg to Robert S. Morison, Rockefeller Foundation5
- Letter from Joshua Lederberg to Robert Tulasne5
- Letter from Joshua Lederberg to Stephen Fazekas, John Curtin School of Medical Research5
- Letter from Joshua Lederberg to Susan E. Garfield5
- Letter from Joshua Lederberg to Theodore T. Puck5
- Letter from Joshua Lederberg to Thomas E. Drohan, Foremost-McKesson, Inc.5
- Letter from Joshua Lederberg to Thomas H. Kuchel5