Showing 1 - 20 results of 197 for search '', query time: 0.20s Refine Results
  1. 1
    Mercury, or, The secret and swift messenger : shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance /
    by Wilkins, John, 1614-1672
    Published 1694
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  2. 2
    Computer cryptology : beyond decoder rings /
    by Boyd, Waldo T.
    Published 1988
    Book
  3. 3
    Telegraphic code to insure secrecy in transmission of telegrams, revised and adapted for special use from publication of Robert Slater.
    Published 1885
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  4. 4
    The Voynich manuscript : an elegant enigma /
    by D'Imperio, M. E.
    Published 1978
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  5. 5
    Tableau syllabique et steganographique ... = A Syllabical and steganographical table.
    by Wouves, P. R.
    Published 1797
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  6. 6
    Elementary cryptanalysis : a study of ciphers and their solution /
    by Gaines, Helen Fouché, Mrs.
    Published 1939
    Book
  7. 7
    Codes and ciphers : Julius Caesar, the Enigma, and the internet /
    by Churchhouse, R. F.
    Published 2002
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  8. 8
    Can you crack the code? : a fascinating history of ciphers and cryptology /
    by Schwartz, Ella, 1974-
    Published 2019
    Book
  9. 9
    Mathematical ciphers : from Caesar to RSA /
    by Young, Anne L., 1946-
    Published 2006
    Book
  10. 10
    Mathematical recreations & essays /
    Book
  11. 11
    Mathematical recreations & essays /
    Book
  12. 12
    Nowhere to run /
    by Watson, Jude
    Published 2013
    CD Audio Book
  13. 13
    Mathematical recreations & essays /
    Book
  14. 14
    Policy of War Department in regard to use of codes and ciphers.
    Published 1921
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  15. 15
    Basic field manual : Vol. IV. Signal communication.
    Published 1931
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  16. 16
    Infantry battalion.
    Published 1929
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  17. 17
    Weather code for West Indian and Caribbean Sea observers.
    Published 1917
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  18. 18
    A natural history of Nevis, and the rest of the English Leeward Charibee Islands in America : with many other observations on nature and art : particularly an introduction to the art of decyphering /
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  19. 19
    Cryptomenysis patefacta:, or, The art of secret information disclosed without a key. : Containing, plain and demonstrative rules, for decyphering all manner of secret writing with exact methods, for resolving secret intimations by signs or gestures, or in speech. : As also an inquiry into the secret ways of conveying written messages, and the several mysterious proposals for secret information, mentioned by Trithemius, &c. /
    by J. F. (John Falconer)
    Published 1685
    Book
  20. 20
    Signal Corps : Code practice equipment, type EE-81.
    Published 1930
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