Titles
- Letter from Kenneth V. Thimann to Joshua Lederberg2
- Letter from Michael E. DeBakey to Rudolph Matas2
- Letter from Peter Armitage to Joshua Lederberg2
- Letter from R. G. E. Murray to Joshua Lederberg2
- Letter from Rudolph Matas to Michael E. DeBakey2
- Letter from S. Gaylen Bradley to Joshua Lederberg2
- Letter from Salvador E. Luria to Joshua Lederberg2
- Letter from Samuel Graff to Joshua Lederberg2
- Letter from Seymour Benzer to Joshua Lederberg2
- Letter from Stuart Mudd to Joshua Lederberg2
- Letter from Theodore T. Puck to Joshua Lederberg2
- Letter from William Hayes to Luca Cavalli-Sforza2
- Postcard from William Hayes to Joshua Lederberg2
- A Fantasy by C. H. Andrewes1
- A Proposal for a New Method of Evaluation of the Newborn Infant1
- A Study of the Life Cycle of an Actinomycete1
- An Infective Factor Controlling Sex Compatibility in Bacterium coli1
- Announcement of 1953 Cold Spring Harbor Symposium on Quantitative Biology1
- Avicenna--the "Persian Galen" (980 - 1037 A.D.)1
- Carcinoma of the esophagus: fluoroscopic observations of advanced cases1