Titles
- Letter from Joshua Lederberg to Herschel Roman3
- Letter from Joshua Lederberg to Howard C. Goodman, World Health Organization3
- Letter from Joshua Lederberg to Hugh L. Dryden3
- Letter from Joshua Lederberg to Hugh L. Dryden, National Academy of Sciences3
- Letter from Joshua Lederberg to Indiana University Press3
- Letter from Joshua Lederberg to International Business Machines, Inc. (IBM)3
- Letter from Joshua Lederberg to Isaac Asimov3
- Letter from Joshua Lederberg to J. George Harrar3
- Letter from Joshua Lederberg to J. Oliver Lampen3
- Letter from Joshua Lederberg to J. R. Porter3
- Letter from Joshua Lederberg to J. Rotblat3
- Letter from Joshua Lederberg to Jack Schultz3
- Letter from Joshua Lederberg to Jacqueline St. Clair3
- Letter from Joshua Lederberg to James E. Webb3
- Letter from Joshua Lederberg to Jean Husted, W. B. Saunders Company3
- Letter from Joshua Lederberg to Jerry A. Schur3
- Letter from Joshua Lederberg to Joan Taylor3
- Letter from Joshua Lederberg to Joel Cohen3
- Letter from Joshua Lederberg to John Loutit3
- Letter from Joshua Lederberg to John W. Gardner3