Praeg and Jacobmeyer (eds.), Diensttagebuch, 176-177; Omer Bartov, Hitler's Army: Soldiers, Nazis, and War in the Third Reich (New York, 1991), 64; Alexander Rossino, ‘Destructive Impulses: German Soldiers and the Conquest of Poland’, Holocaust and Genocide Studies, 11 (1997), 351-365.
