Gumkowkski, Leszczynski, Janusz, Kazimierz (1961). Poland under Nazi Occupation. sid. 9,10,11. https://archive.org/details/PolandUnderNaziOccupation/page/n5/mode/2up. Läst 2 september 2023. ”The Slavic territories lying to the east of Germany were particularly enticing as the Nazis considered their primarily Slavic inhabitants to be subhuman (Untermensch). The Nazis rationalized that the Germans, being a super human (bermenschlich) race, had a biological right to displace, eliminate and enslave inferiors”
