Titles
- Letter from Philip Handler to Joshua Lederberg9
- Letter from Rudolph J. Anderson to Florence R. Sabin9
- Letter from Ruth Sager to Joshua Lederberg9
- Letter from Selman A. Waksman to Joshua Lederberg9
- Letter from Seymour Benzer to Joshua Lederberg9
- Letter from Thomas D. Brock to Joshua Lederberg9
- Letter from Alvin F. Coburn to Joshua Lederberg8
- Letter from Elizabeth E. Chotin, Fund for Integrative Biomedical Research to Joshua Lederberg8
- Letter from Ernest Borek to Joshua Lederberg8
- Letter from Eugene Garfield to Joshua Lederberg8
- Letter from Florence R. Sabin to Robert S. Cunningham8
- Letter from Francis Crick to Aaron Klug8
- Letter from Frank E. Young to Joshua Lederberg8
- Letter from Frits and Ida Orskov to Joshua and Esther Lederberg8
- Letter from George W. Beadle to Edward L. Tatum8
- Letter from Giovanni Magni to Joshua Lederberg8
- Letter from Guido Pontecorvo to Joshua Lederberg8
- Letter from H. J. Muller to Joshua Lederberg8
- Letter from Harriet Zuckerman to Joshua Lederberg8
- Letter from Henry S. Kaplan to Joshua Lederberg8