Soviet prisoners of war (POWs) constitute one of the major groups that fell victim to Nazi German mass violence. For territories under German military occupation, the Department of Military Administration, Quartermaster General in the Supreme Command of Ground Troops (OKH) was in charge of Soviet POWs, whereas in Germany and areas under German civil administration, responsibility lay with the General Administration of the Armed Forces under the Supreme Command of the Armed Forces (OKW). Prior to the attack on the USSR on June 22, 1941, German military authorities had decided that international law would not apply to Soviet POWs (unlike Polish, French, or British prisoners), with minimal provisions made for their shelter, food, transport, and medical supplies. Later Soviet proposals that both sides act in accordance with the Hague and Geneva Conventions were refused by Germany. On OKW instructions, most Soviet POWs were not registered by...