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Military communications of the United Kingdom / Zimmermann Telegram / Bletchley Park / Nigel de Grey / Espionage / MI1 / Intelligence assessment / Arthur Zimmermann / World War I cryptography / Cryptography / World War I / Room 40


Introduction to Inside Room 40: The Codebreakers of World War I
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Document Date: 2012-10-22 08:08:58

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City

Berlin / Washington / London / /

Continent

America / /

Country

Germany / Switzerland / United States / Netherlands / United Kingdom / Mexico / Spain / Greece / /

NaturalFeature

North Sea / /

Organization

German military / Naval Intelligence / War Office / America’s government / British military / /

Person

Patrick Beesly / Arthur Zimmermann / de Grey / William Hall / Dilly Knox / /

Position

Captain / Foreign Secretary / Director / young naval intelligence officer / representative / naval intelligence officer / /

URL

www.paulgannonbooks.co.uk / /

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