The History of Codes & Ciphers in the U. S. During the Period Between the World Wars: PT. I, 1919-1929
Laguna Hills, CA: Aegean Park Press, 1979. Presumed first edition/first printing thus. Trade paperback. [3], 186 p. Footnotes. Index. This is number 22 in their Cryptographic Series. This material was prepared and written about 1946 by the Historical Section fo the then Army Security Agency. The U. S. Government provided the editon, through the National Archives, an unclassified or "sanatized" version of the cited "Historical Background". On occasion, "blank pages: and frequently censored 'gaps' occured in the text. In these cases, the editor made reference to other unclassified sources, and especilly to Yardley's The American Black Chamber, to fill in the gaps. Condition: Very good. No dust jacket as issued.
Keywords: Signal Corps, Cryptanalyst, Code Compilation, Cipher Bureau, American Black Chamber, Herbert Yardley, Robert Arrowsmith, Claus Bogel, Cryptographic, William Friedman, Intercepted Messages, Intercept Stations, Espionage, Clem Koukul, John Meeth, Waber
ISBN: 9780894120398
[Book #62922]
Price: $125.00