Titles
- Letter from Michael Doudoroff to Joshua Lederberg2
- Letter from R. A. Brink to R. K. Froker2
- Letter from Ralph A. Rohweder, National Society for Medical Research to Joshua Lederberg2
- Letter from Ralph Emerson to Joshua Lederberg2
- Letter from Robert Fuerst to Joshua Lederberg2
- Letter from Severo Ochoa to Arthur Kornberg2
- Letter from Seymour S. Cohen to Joshua Lederberg2
- Letter from Wilson S. Stone to Joshua Lederberg2
- Norton Memorial Infirmary, Louisville, Ky: Aerial view2
- Postcard from Max Delbruck to Tracy M. Sonneborn2
- Postcard from Salvador E. Luria to Joshua Lederberg2
- St. Vincent's Hospital, Jacksonville, Fla: General view2
- University of Paris, Faculte de Medicine2
- [James F. Hays]2
- [Percival Bailey]2
- [Webb E. Haymaker]2
- 1 C, non-variegated : 1 C, variegated1
- A Rapid Diagnostic Test for Sickle Cell Anemia1
- A Report to the Surgeon General, U.S. Army1
- A Study of the Fine Structure of Carbonaceous Solids by Measurements of True and Apparent Densities: Part I. Coals1