The Reader of Gentlemen's Mail: Herbert O. Yardley and the Birth of American Codebreaking

The Reader of Gentlemen's Mail: Herbert O. Yardley and the Birth of American Codebreaking

341 Pages · 2004 · 3.87 MB · English
by David Kahn
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“ Before you speak, let your words pass through three gates: Is it true? Is it necessary? Is it kind? ” ― Rumi
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