1. Letter from Alfred E. Mirsky to Jack S. Cohen Publication: Produced: 29 June 1973 Subject(s): DNAHistory of MedicineTransformation, Genetic Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
2. Letter from Joshua Lederberg to Martin R. Pollock Publication: Produced: 20 August 1973 Subject(s): Transformation, Genetic Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
3. Letter from Elof A. Carlson to Joshua Lederberg Publication: Produced: 23 April 1973 Subject(s): Transformation, GeneticGenetics Archival Collection: The Joshua Lederberg Papers (Profiles in Science)