Files W.F.F. Archive Correspondence, Memoranda, and Personnel File Records Correspondence Between General G.B. Erskine (Assistant to the Secretary of Defense) and David Kahn (New York Cipher Society), 1955
Acknowledgement of David Kahn Letter to Potus Dated 28 December 1954, 11 January 1955
Handwritten Friedman Note Re New York Cipher Society, 5 January 1955
Letter from New York Cipher Society Re Government Cryptographic Work, 9 February 1955
Letter from Office of the Secretary of Defense to New York Cipher Society, 4 February 1955
Letter from Patton to Friedman
Letter from President, N.Y. Cipher Society to Director, NSA, 28 December 1954
Proposed Reply to Mr. D. Kahn, President, N.Y. Cipher Society, 27 January 1955