Nigel de Grey

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1	Cryptologic Quarterly UNCLASSIFIED Add to Reading List Source URL: www.nsa.gov Language: English - Date: 2010-04-16 15:21:00 Foreign relations of Germany Arthur Zimmermann International relations Diplomacy Zimmermann Woodrow Wilson Nigel de Grey Heinrich von Eckardt World War I Telegrams Zimmermann Telegram
2	Introduction to Inside Room 40: The Codebreakers of World War I Add to Reading List Source URL: www.paulgannonbooks.co.uk Language: English - Date: 2012-10-22 08:08:58 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
3	PDF Document Add to Reading List Source URL: www.nsa.gov Language: English - Date: 2010-04-16 15:21:00 Foreign relations of Germany Arthur Zimmermann International relations Diplomacy Zimmermann Woodrow Wilson Nigel de Grey Heinrich von Eckardt World War I Telegrams Zimmermann Telegram