27983808
9781243167514
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Hephaestus Books is the author of 'British Cryptographers, including: Alan Turing, Leo Marks, Charles Wheatstone, John Wallis, I. J. Good, Dilly Knox, Derek Taunt, William Montgomery ... Jerry Roberts, Nigel De Grey, Leslie Yoxall', published 2011 under ISBN 9781243167514 and ISBN 1243167513.
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