Titles
- Letter from Difco Laboratories to Joshua Lederberg3
- Letter from Doubleday & Company to Joshua Lederberg3
- Letter from E. K. Borman to Joshua Lederberg3
- Letter from E. Paul Magaha, Jr. to Joshua Lederberg3
- Letter from Edgar Altenburg to Joshua Lederberg3
- Letter from Edward J. Beckhorn to Joshua Lederberg3
- Letter from Edward L. Ginzton to Joshua Lederberg3
- Letter from Edward L. Tatum to Joshua and Esther Lederberg3
- Letter from Edward M. Kennedy to Joshua Lederberg3
- Letter from Edward M. Kennedy to Mary Lasker3
- Letter from Einar Leifson to Joshua Lederberg3
- Letter from Elbert G. Smith to Joshua Lederberg3
- Letter from Elisabeth Goldschmidt to Joshua Lederberg3
- Letter from Elizabeth Roboz Einstein to Joshua Lederberg3
- Letter from Elizabeth Work to Joshua Lederberg3
- Letter from Ellen E. Kann to Joshua Lederberg3
- Letter from Ellsworth C. Dougherty to Joshua Lederberg3
- Letter from Emil L. Smith to Joshua Lederberg3
- Letter from Emile Holman to Joshua Lederberg3
- Letter from Ephraim Katchalski-Katzir to Joshua Lederberg3