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catalogue
A B C D E F
G H I J K L
M N O P Q R
S T U V W X
Y Z
 The Great War 1914-1918, and Associated Conflicts
   Intelligence
     British Military Intelligence Generally



Inside Room 40: The Codebreakers of World War 1

by Paul Gannon  

ISBN
9780711034082

Purchase Price
£4.00 (second hand)

Date Purchased
December 23, 2016

Publisher
Ian Allan Publishing (2010, Hersham, Surrey)

Notes
This is the story of the organisation which might be said to have been the forerunner of GCHQ - Room 40. Gannon vividly portrays the brilliant eccentrics who broke tens of thousands of German naval, military, and diplomatic messages.