File:German WW2 Wehrmacht Military Police Feldgendarmerie gorget Ringkrage bullet holes retalliation execution at German forced labour camp of Serbian and Croatian POWs at Saltjellet Norway. Lofoten Krigsminnemuseum 0081.jpg - Wikimedia Commons
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German Military Police Units 1939–45 by Gordon Williamson, Ronald Volstad - Ebook | Scribd
i) Feldgendarmerie des Heeres - Kettenhund!: The German Military Police in the Second World War
German Military Police Units 1939–45 by Gordon Williamson, Ronald Volstad - Ebook | Scribd