Historical Dictionary of World War II Intelligence

In the years immediately following World War II, information was disclosed about what has been termed the shadow war of the existence of hitherto secret agencies. In Germany it was the Abwehr and the Sicherheitsdienst; in Britain it was MI5, the Secret Intelligence Service (MI6) and Special Operations Executive (SOE); in the United States it was the Office of Strategic Services (OSS) and the Special Intelligence Service (SIS) of the Federal Bureau of Investigation (FBI); in Japan it was the Kemp