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Herbert O. Yardley

Scientist (13-Apr-1889 — 7-Aug-1958)


David Kahn. The Reader of Gentlemen's Mail: Herbert O. Yardley and the Birth of American Codebreaking. New Haven, CT: Yale University Press. 2004. 318pp.

Herbert O. Yardley. The American Black Chamber. Indianapolis, IN: Bobbs-Merrill Company. 1931. 375pp.


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  1. NNDB [link]

  2. Encyclopaedia Britannica Online [link]

  3. Internet Movie Database [link]

  4. Public Information Research Namebase [link]

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