Title: Material History of Medieval and Early Modern Ciphers
Subjects: Cryptography, Ciphers, History, Writing, Written communication, Ciphers in literature, Medieval Literature, History and criticism, English literature, Literacy, Medieval Civilization, Renaissance, Cryptographie, Histoire, Chiffres (Cryptographie), Écriture, Communication écrite, Chiffres (Cryptographie) dans la littérature, Littérature médiévale, Histoire et critique, Littérature anglaise, Civilisation médiévale, LITERARY CRITICISM, HISTORY, BUSINESS & ECONOMICS, Business Writing