Titles
- HFR Males in Salmonella Abony1
- History of Microbiology1
- Hybridization between Escherichia coli and Shigella1
- Indirect Selection and the Origin of Resistance1
- Inheritance, Variation, and Adaptation1
- Introduction from "Papers in Microbial Genetics: Bacteria and Bacterial Viruses"1
- John Cairns and Salvador Luria at Cold Spring Harbor Laboratory1
- Lederberg's notes for an entry in the Enciclopedia Italiana entitled, "History of Microbiology, 1930-1950"1
- Letter from Allen G. Marr to Joshua Lederberg1
- Letter from Andre Lwoff to Joshua Lederberg1
- Letter from Daniel Mazia to Joshua Lederberg1
- Letter from Edwin S. Lennox to Joshua Lederberg1
- Letter from Einar Leifson to Joshua Lederberg1
- Letter from Gardner Middlebrook to Joshua Lederberg2
- Letter from Herman C. Lichstein to Joshua Lederberg1
- Letter from John J. Miller to Joshua Lederberg1
- Letter from Joshua Lederberg to A. P. McIlroy1
- Letter from Joshua Lederberg to Alain Bussard1
- Letter from Joshua Lederberg to Alice Moran1
- Letter from Joshua Lederberg to Andre Lwoff1
