1. Letter from Harriett Ephrussi-Taylor to Oswald T. Avery Publication: Produced: 20 October 1948 Subject(s): History of MedicineTransformation, GeneticResearch Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
2. Letter from Harriett Ephrussi-Taylor to Oswald T. Avery Publication: Produced: 20 October 1948 Subject(s): Transformation, GeneticResearchGeneticsCoercion Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
3. Letter from Joshua Lederberg to C. C. Lindegren Publication: Produced: 28 July 1954 Subject(s): Transformation, GeneticResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Joshua Lederberg to Jacques Monod Publication: Produced: 21 March 1949 Subject(s): Genetics, MicrobialMutationTransformation, GeneticResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)