1. Letter from Joshua Lederberg to Seymour S. Cohen Publication: Produced: 6 May 1948 Subject(s): CarbohydratesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Seymour S. Cohen Publication: Produced: 7 May 1948 Subject(s): CarbohydratesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Anna Dean Dulaney Publication: Produced: 12 January 1949 Subject(s): Cell Culture TechniquesCarbohydratesResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)