Titles
- Letter from Joshua Lederberg to Ethelyn Lively3
- Letter from Joshua Lederberg to F. Egami3
- Letter from Joshua Lederberg to Frank E. Young3
- Letter from Joshua Lederberg to Frank J. Dixon3
- Letter from Joshua Lederberg to Frank P. Hungate3
- Letter from Joshua Lederberg to Fred Keller3
- Letter from Joshua Lederberg to Fred R. Harris3
- Letter from Joshua Lederberg to Frederick Seitz3
- Letter from Joshua Lederberg to Garland E. Allen3
- Letter from Joshua Lederberg to Gaspar Fabbricante, Stuyvesant High School3
- Letter from Joshua Lederberg to George Lefevre, National Science Foundation3
- Letter from Joshua Lederberg to Grayson Kirk3
- Letter from Joshua Lederberg to Guiseppe Bertani3
- Letter from Joshua Lederberg to H. Keffer Hartline3
- Letter from Joshua Lederberg to H. Quastler3
- Letter from Joshua Lederberg to Harold C. Urey3
- Letter from Joshua Lederberg to Harold W. Wolf3
- Letter from Joshua Lederberg to Harry Schwartz3
- Letter from Joshua Lederberg to Henry G. Kunkel3
- Letter from Joshua Lederberg to Herman A. Witkin3