Books about Ciphers (sorted by popularity)
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Displaying results 1–4
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Mathematical Recreations and Essays W. W. Rouse Ball 1261 downloads
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Elementary cryptanalysis Helen Fouché Gaines 369 downloads
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Manual for the Solution of Military Ciphers Parker Hitt 252 downloads
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La Cryptographie, ou, l'art d'écrire en chiffres (French) P. L. Jacob 108 downloads
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Displaying results 1–4