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Kenneth Macksey
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Instruments of Darkness: The...
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Geniuses at War: Bletchley...
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Michael Smith
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Hacker, Influencer, Faker,...
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Behind the Battle:...
Ralph Bennett
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Station X: The Codebreakers...
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Jak P Mallmann Showell
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Secrets of Signals...
Matthew M Aid (Editor),
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Bletchley Park Brainteasers:...
Sinclair McKay
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Codebreaker Girls: A Secret...
Jan Slimming
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Bletchley Park's Secret...
Peter Hore
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The Secret Life of an...
Jan Slimming
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Cyber Reconnaissance,...
Robert Shimonski
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Swedish Signal Intelligence...
Bengt Beckman,
C G McKay
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Body of Secrets
James Bamford
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Decoding History: The Battle...
W J R Gardner
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The Ultra Americans: The U.S....
Thomas Parrish
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Electronic Spies
Time-Life Books
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