Titles
- Letter from Henry S. Kaplan to Joshua Lederberg8
- Letter from Howard A. Kelly to William Osler8
- Letter from John E. Pfeiffer to Joshua Lederberg8
- Letter from Joshua Lederberg to Ann Landers8
- Letter from Joshua Lederberg to Clifford Grobstein8
- Letter from Joshua Lederberg to E. S. Anderson8
- Letter from Joshua Lederberg to Frits Orskov8
- Letter from Joshua Lederberg to H. J. Muller8
- Letter from Joshua Lederberg to Henry S. Kaplan8
- Letter from Joshua Lederberg to Kenneth S. Warren8
- Letter from Joshua Lederberg to M. R. Irwin8
- Letter from Joshua Lederberg to Melvin Cohn8
- Letter from Joshua Lederberg to Peter H. A. Sneath8
- Letter from Joshua Lederberg to Phyllis J. Fried8
- Letter from Joshua Lederberg to Raymond L. Latarjet8
- Letter from Joshua Lederberg to Richard S. Young8
- Letter from Joshua Lederberg to Selman A. Waksman8
- Letter from Joshua Lederberg to Seymour Benzer8
- Letter from Karl Paul Link to Joshua Lederberg8
- Letter from Kenneth Mather to Joshua Lederberg8