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The Patriotic Traitors: A History of Collaboration in German-Occupied Europe, 1940–45 is a 1972 book by David Littlejohn. It is a history of the European nationalists who took part in collaborationism with the Nazi Germany. Individual chapters are devoted to Norway, Denmark, the Netherlands, Belgium, France, and the Soviet Union.
The Patriotic Traitors Wikipedia
Littlejohn was later criticized as to this book in the work The Kings and the Pawns, where Leonid Rein stated that it was wrong to "attribute all collaboration during World War II to fascist and fascist-like parties".