Titles
- Letter from Elise Cahn to Joshua Lederberg7
- Letter from F. C. Bawden to Rosalind Franklin7
- Letter from Francis Crick to H. Gobind Khorana7
- Letter from Frederick Seitz to Joshua Lederberg7
- Letter from Freeman A. Weiss to Joshua Lederberg7
- Letter from G. A. Derbyshire to Joshua Lederberg7
- Letter from Harriett Ephrussi-Taylor to Joshua Lederberg7
- Letter from Henry Brosin to Joshua Lederberg7
- Letter from Hisao Uetake to Joshua Lederberg7
- Letter from John V. Tunney to Joshua Lederberg7
- Letter from John Z. Bowers to Joshua Lederberg7
- Letter from Joshua Lederberg to Arne Tiselius7
- Letter from Joshua Lederberg to Attallah Kappas7
- Letter from Joshua Lederberg to Bruno B. Rossi7
- Letter from Joshua Lederberg to D. H. Wenrich7
- Letter from Joshua Lederberg to David Perkins7
- Letter from Joshua Lederberg to Elise Cahn7
- Letter from Joshua Lederberg to Ellis Englesberg7
- Letter from Joshua Lederberg to Eunice Kennedy Shriver7
- Letter from Joshua Lederberg to G. J. V. Nossal7