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Mysterious Voynich manuscript may be a cipher, a new study suggests

A unique cipher that uses playing cards and dice to turn languages into glyphs produces text eerily similar to the glyphs in ...
insider.si.edu

History of cryptography and cryptanalysis codes, ciphers, and their algorithms John F. Dooley

Introduction: A revolutionary cipher -- Cryptology before 1500: a bit of magic -- The black chambers: 1500-1776 -- Crypto goes to war: the American Revolution -- Crypto goes to war: the American Civil ...