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Best-kept Secret
John Bryden
其他書名
Canadian Secret Intelligence in the Second World War
出版Lester Pub., 1993
主題History / Wars & Conflicts / World War II / GeneralTrue Crime / Espionage
ISBN18955552999781895555295
URLhttp://books.google.com.hk/books?id=puGEAAAAIAAJ&hl=&source=gbs_api
註釋This is a history of Canada's World War II involvement in breaking the codes and ciphers of both enemy and friendly nations to gather military and diplomatic information. Although Canada began the Second World War with virtually no intelligence-gathering capability, it soon built up a crack team of cryptographers and was actively involved in ULTRA. The last chapter gives an overview of postwar developments, including Gouzenko's defection.