Titles
- Letter from Francis Crick to Joshua Lederberg2
- Letter from Francis Crick to Marshall W. Nirenberg2
- Letter from Harold C. Urey to Joshua Lederberg2
- Letter from Henry Swan to Bryan Cooper2
- Letter from Hilary Koprowski to Joshua Lederberg2
- Letter from Irvine H. Page to Joshua Lederberg2
- Letter from Jacques Monod to Francis Crick2
- Letter from Joshua Lederberg to Bernard D. Davis2
- Letter from Joshua Lederberg to D. D. Tunnicliff2
- Letter from Joshua Lederberg to Donald F. Hornig2
- Letter from Joshua Lederberg to Donald Grace2
- Letter from Joshua Lederberg to Elbert G. Smith2
- Letter from Joshua Lederberg to Francis Crick2
- Letter from Joshua Lederberg to Jerome B. Wiesner2
- Letter from Joshua Lederberg to R. Sargent Shriver, Jr.2
- Letter from Joshua Lederberg to Roald Hoffmann2
- Letter from Joshua Lederberg to S. H. Eisman2
- Letter from Joshua Lederberg to Victor Klee2
- Letter from Juraj Bosak to Joshua Lederberg2
- Letter from K. D. Ofer to Joshua Lederberg2