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Titles
- Letter from Roger Y. Stanier to Joshua Lederberg22
- Letter from Wolfram Heumann to Joshua Lederberg22
- Lutte contre le sida22
- Correspondence21
- Medical exam - infant through age twelve21
- Postcard from Karl Paul Link to Joshua Lederberg21
- Sida21
- Letter from David M. Bonner to Joshua Lederberg20
- Letter from Edward A. Adelberg to Joshua Lederberg20
- Letter from M. Demerec to Tracy M. Sonneborn20
- Letter from Torbjorn Caspersson to Joshua Lederberg20
- Memorandum from Roland L. Peterson to United States. Bureau of Health Resources Development20
- Letter from Martin M. Kaplan, World Health Organization to Joshua Lederberg19
- Letter from Tracy M. Sonneborn to M. Demerec19
- Letter from Aleck Bernstein to Joshua Lederberg18
- Letter from Barbara J. Bachmann to Joshua Lederberg18
- Letter from Hilary Koprowski to Joshua Lederberg18
- Letter from Kimball Atwood to Joshua Lederberg18
- Letter from Peter Medawar to Joshua Lederberg18
- Letter from Yukinori Hirota to Joshua Lederberg18