Titles
- Postcard from Karl Paul Link to Joshua Lederberg21
- [Russian Scientists visit the National Library of Medicine]21
- Letter from Edward A. Adelberg to Joshua Lederberg20
- Letter from Joshua Lederberg to Boris Rotman20
- Letter from Joshua Lederberg to Thomas C. Nelson20
- Letter from Joshua Lederberg to Torbjorn Caspersson20
- Letter from Torbjorn Caspersson to Joshua Lederberg20
- Memorandum from Roland L. Peterson to United States. Bureau of Health Resources Development20
- Letter from Joshua Lederberg to James A. Jenkins19
- Letter from Louis S. Baron to Joshua Lederberg19
- Letter from M. Demerec to Joshua Lederberg19
- Letter from Martin M. Kaplan, World Health Organization to Joshua Lederberg19
- Letter from Aleck Bernstein to Joshua Lederberg18
- Letter from Barbara J. Bachmann to Joshua Lederberg18
- Letter from Hilary Koprowski to Joshua Lederberg18
- Letter from Joshua Lederberg to C. B. Van Niel18
- 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
- Letter from Joshua Lederberg to Max Zelle18