1. Letter from Joshua Lederberg to Robert C. Olby Publication: Produced: 11 October 1972 Subject(s): History of MedicineTransformation, Genetic Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
2. Letter from Joshua Lederberg to Robert C. Olby Publication: Produced: 25 October 1972 Subject(s): History of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
3. Letter from Joshua Lederberg to Robert C. Olby Publication: Produced: 25 October 1972 Subject(s): Transformation, GeneticHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)