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2 “... of a serious history of cryptology named “The Codebreakers”, written by David Kahn and published...”

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5 Table of Contents: “...Reminiscences and Reflections of a Codebreaker -- FISH and I -- Sturgeon, The FISH BP Never Really...”

6 “... computers: Colossus, the wartime codebreaking computer at Bletchley Park outside London, and the American...”

7 Table of Contents: “... Solution of Vatican Codes in World War II; Chapter 14: Finland's Codebreaking in World War II; Chapter 15...”

8 Table of Contents: “... and Data -- Interpretation and Codebreaking -- Logicist Analysis and Artificial Intelligence -- Argument...”

9 “...--the professional term for codebreakers and codemakers. This has always been a small and select community, one...”