Files W.F.F. Archive Lectures and Speeches Transcript, Special Cryptologic Advisory Math Panel (SCAMP) Drafts and Note Cards, Part II, June 1958
SCAMP IV Lecture I, Section I; SCAMP 1958-- Cryptologic History
SCAMP IV, Lecture I, Section 2; 3 X 5 Cards About the SCAMP, Lecture I, Section 2
SCAMP IV, Lecture V, Part II; Communication Security and Its Importance In Modern Warfare
SCAMP IV, Lecture V; History of the Invention and Development of Cipher Devices and Machines