Files W.F.F. Archive Patent and Equipment Records Status Reports of Research and Development Phases of Cryptographic Equipment, Extract from the Final Report of G-2-D, General Headquarters (Ghq) American Expeditionary Forces (Aef (1 May 1919) Regarding Censorship and Use of Invisible Ink, 1944-1946
Final Report of G-2-D, G.H.Q., A.E.F., May 1 1919
Hand Drawn Diagrams of Two Japanese Crypto Machines-Ransjsakusei Ki and Ango Ki Kai, Random Number Generating Machine and Cipher Machine, Respectively
Letter from Bell Telephone Laboratories to Colonel Corderman Re Type II Ciphony Development, 16 June 1944
Patent Information on ASAM-1 and ASAM-2, 15 April 1948
Project-an/Gxa-2( )-Cifax, 7 July 1944; Cipher Facsimile System-Contract No. W44-114-SC-34
Proposed System for Guaranteeing A Minimum Cycle of Great Length In Any Irregular Motion Rotor System, 1 January 1946
Publication R-5, 5 December 1945
Signal Corps Project No. 2513a; an/Gsq-2,3 Key Generator Equipment (Ciphony), 17 March 1945
Signal Corps Project No. 4600; F Branch Proj. No. C-2012-an/Gsq-1 (SIGJIP) Synchronization-(Ciphony), 27 December 1944; Problem of Pulse Synchronization of Speech Equipment
Teletypewriter Adapter to an/Gsq-2,3, 22 December 1944