Files W.F.F. Archive Correspondence, Memoranda, and Personnel File Records Correspondence Between Friedman and Brigadier John H. Tiltman, UK Regarding Tiltman's Advancement to Brigadier, Converter M-228, Friedman Flight from Prestwick to New York In 1945, Enigma Operations In 1943, Japanese Codes, Friedman Visit to England In 1943, List of Publications Dealing with Cryptanalysis and Cryptography, Tiltman Visit to Washington In 1942, Translation of Baudoin's Book, and Hittite Hieroglyphics, 1941-1945
Brigadier Tiltman Request for Copies of Sacco Materials
Correspondence Between Brigadier Tiltman and Mr. Friedman
Correspondence Between Brigadier Tiltman and Mr. Friedman In Reply for an Evaluation of A Transposition Device
Correspondence Between Brigadier Tiltman and Mr. Friedman on Personnel Introduction from the Air Ministry
Correspondence Between Brigadier Tiltman and Mr. Friedman on the Japanese Military Attache Cipher Investigations, and Status of the "Y" Committee
Correspondence Between Brigadier Tiltman and Mr. Friedman Requesting Copies of Sacco Materials
Correspondence Between Colonel Tiltman and Mr. Friedman on Exchange of Information
Correspondence Between Colonel Tiltman and Mr. Friedman on Exchange of Technical References
Correspondence Between Colonel Tiltman and Mr. Friedman on Exchange of Technical References and Status of the Geheimschreiber
Correspondence Between Colonel Tiltman and Mr. Friedman on Exchange of Technical References on German, Italian and Japanese Meteorological Codes
Correspondence Between Colonel Tiltman and Mr. Friedman on the Japanese Military Attache Cipher Investigations,
Correspondence Between Colonel Tiltman and Mr. Friedman on the Japanese Problem
Correspondence Between Colonel Tiltman and Mr. Friedman Regarding an Evaluation of A Stencil Subtractor Device
Correspondence Between Colonel Tiltman and Mr. Friedman Regarding Technical Materials to Be Sent
Correspondence Between Colonel Tiltman and Mr. Friedman-Translation of Baudoin's Book
Correspondence Between Mr. Friedman and Brigadier Tiltman Regarding Teleprint Converter M-228 Cryptographic Machine
Correspondence Between Mr. Friedman and Brigadier Tiltman Regarding Travel Itinerary
Correspondence Between Mr. Friedman and Brigadier Tiltman, U. K. Regarding Converter M-228 Teleprint Cryptographic Machine
Correspondence Between Mr. Friedman and Colonel Tiltman Regarding A TDY
Correspondence Between Mr. Friedman and Colonel Tiltman Regarding an Evaluation of A Transposition Device
Correspondence Between Mr. Friedman and Colonel Tiltman Regarding the Japanese Military Codes, E Report, and Recruiting Program
Correspondence to Mr. Friedman from Denniston
Correspondence to Mr. Friedman from Denniston Regarding the Fuji Cyphers
Mission and Function of "Y" Board "Y" Committee, Code Compilation, I.S.C.S.C. and War Office Code Compilation from Mr. Friedman's Files
Mr. Friedman Provided Analytical Report of A Transposition Device
Technical Correspondence Between Mr. Friedman and Colonel Tiltman