Titles
- Letter from Bernard D. Davis to Joshua Lederberg10
- Letter from Bernard D. Davis to Joshua and Esther Lederberg1
- Letter from Boris Ephrussi to Joshua Lederberg1
- Letter from C. E. Clifton to Joshua Lederberg2
- Letter from C. H. Browning to Joshua Lederberg1
- Letter from C. Phillip Miller to Joshua Lederberg5
- Letter from Carl F. Cori to Arthur Kornberg1
- Letter from Carl F. Robinow to Joshua Lederberg4
- Letter from Charles A. Stuart to Joshua Lederberg3
- Letter from Charles W. Todd, E. I. du Pont de Nemours & Co. to Joshua Lederberg1
- Letter from Clarence S. Hean to Joshua and Esther Lederberg1
- Letter from Cleitus J. Hilliker to Joshua Lederberg1
- Letter from Clive C. Spicer to Joshua Lederberg2
- Letter from D. F. Poulson to Joshua Lederberg2
- Letter from D. H. Wenrich to Joshua Lederberg4
- Letter from D. Lewis to Joshua Lederberg1
- Letter from D. W. Bruner to Joshua Lederberg1
- Letter from David Doyle to John E. Fogarty1
- Letter from David L. Nanney to Joshua Lederberg1
- Letter from David M. Bonner to Edward L. Tatum2