1. Letter from Joshua Lederberg to Marvin L. Minsky Publication: Produced: 22 June 1955 Subject(s): Equipment DesignMagnetics Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Marvin L. Minsky to Joshua Lederberg Publication: Produced: 20 October 1955 Subject(s): Equipment and SuppliesEquipment DesignMagnetics Archival Collection: The Joshua Lederberg Papers (Profiles in Science)