1. Letter from Joshua Lederberg to J. Oliver Lampen Publication: Produced: 14 November 1945 Subject(s): Cell Culture TechniquesResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 7 April 1954 Subject(s): Cell Culture TechniquesResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)