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  1. 1

    The Friedman legacy a tribute to William and Elizebeth Friedman by Friedman, William F. (William Frederick), 1891-1969

    Published: The Center, 1992
    Description: v, 282 pages : illustrations ; 28 cm.
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    The Friedman legacy a tribute to William and Elizebeth Friedman
  2. 2

    Brigadier John Tiltman a giant among cryptanalysts by Clabby, John F., 1950-

    Published: Center for Cryptologic History, National Security Agency, 2007
    Description: 1 online resource (65 pages) : portrait.
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    Brigadier John Tiltman a giant among cryptanalysts
  3. 3

    The Friedman legacy : a tribute to William and Elizebeth Friedman Third printing. by Friedman, William F. (William Frederick), 1891-1969

    Published: Center for Cryptologic History, National Security Agency, 2006
    Description: 1 online resource (viii, 213 pages) : illustrations.
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    The Friedman legacy : a tribute to William and Elizebeth Friedman
  4. 4

    The neglected giant : Agnes Meyer Driscoll by Johnson, Kevin Wade

    Published: National Security Agency, Center for Cryptologic History, 2015
    Description: 1 online resource (66 pages) : illustrations (some color).
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    The neglected giant : Agnes Meyer Driscoll

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