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keyword: Cryptography – 3 free books.

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Les règles de Cicco Simonetta pour le déchiffrement des écritures secrètes

Paul Michel Perret (editor) and Francesco Simonetta (Author)

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Les règles de Cicco Simonetta pour le déchiffrement des écritures secrètes
Paul Michel Perret (editor) and Francesco Simonetta (Author)
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Mathematical Recreations and Essays

W. W. Rouse (Walter William Rouse) Ball

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Mathematical Recreations and Essays
W. W. Rouse (Walter William Rouse) Ball
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La Cryptographie, ou, l'art d'écrire en chiffres

P. L Jacob

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La Cryptographie, ou, l'art d'écrire en chiffres
P. L Jacob
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