Titles
- Infant - Growth and Development [part 2]20
- Letter from Joshua Lederberg to Boris Rotman20
- Letter from Joshua Lederberg to Torbjorn Caspersson20
- [Brain Plate]20
- [Merritte Weber Ireland]20
- [NIH- NCI cancer research album 5.]20
- [William C. Gorgas]20
- Letter from Joshua Lederberg to A. D. Hershey19
- Letter from Joshua Lederberg to C. B. Van Niel19
- Letter from Joshua Lederberg to James A. Jenkins19
- Letter from Joshua Lederberg to Roger Y. Stanier19
- Letter from Louis S. Baron to Joshua Lederberg19
- [Artificial limbs]: [Amputees, Philipines, 1940s(?)]19
- [Artificial limbs]: [Hospital staff, Philipines, 1940s(?)]19
- [NIH- NINCDS Neurological and Communicative Disorders and Stroke]19
- [Sigard Adolphus Knopf]19
- Circular18
- Letter from Joshua Lederberg to G. J. V. Nossal, Walter & Eliza Hall Institute of Medical Research18
- Letter from Joshua Lederberg to Herman M. Kalckar18
- Letter from Joshua Lederberg to Howard Simons, Washington Post18