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The CASSIA Spy Ring in World War II Austria: A History of the OSS's Maier-Messner Group
The CASSIA Spy Ring in World War II Austria A History of the OSS's MaierMessner Group Author:C. Turner After Hitler annexed Austria in 1938, the Gestapo began silencing critics. Many were shipped to concentration camps; those deemed most dangerous to the Reich were executed. Yet a few slipped through the Gestapo's net and organized resistance cells. One group, codenamed CASSIA, became America's most effective spy ring in Austria during World War ... more »II. This first full-length account of CASSIA describes its contributions to the Allied war effort--including reports on the V-2 missile, Nazi death camps and advanced combat aircraft and tanks--before a catastrophic intelligence failure sent key members to the guillotine, firing squad or gas chamber.« less