Titles
- Letter from H. Fraenkel-Conrat to Rosalind Franklin2
- Letter from J. Dubnoff to Joshua Lederberg2
- Letter from James D. Watson to Rosalind Franklin2
- Letter from L. S. McClung to Joshua Lederberg2
- Letter from M. Sterne to Joshua Lederberg2
- Letter from Marcus S. Brooke to Joshua Lederberg2
- Letter from Michael E. DeBakey to William G. Reidy2
- Letter from Nils A. Barricelli to Joshua Lederberg2
- Letter from Peter R. Day to Joshua Lederberg2
- Letter from Reinhard W. Kaplan to Joshua Lederberg2
- Letter from Robert A. Day to Joshua Lederberg2
- Letter from Robert W. Briggs to Joshua Lederberg2
- Letter from Roger S. Mitchell, University of Colorado Medical Center to Joshua Lederberg2
- Letter from Rosalind Franklin to Albert Siegel2
- Letter from Rosalind Franklin to Donald L. D. Caspar2
- Letter from Rosalind Franklin to James D. Watson2
- Letter from Sarah Sarid, Weizmann Institute of Science to Joshua Lederberg2
- Letter from Sofia "Topsy" (Simmonds) Fruton to Joshua Lederberg2
- Letter from Sol Spiegelman to Joshua Lederberg2
- Letter from William S. Spector, National Academy of Sciences to Joshua Lederberg2