between the Germanic (Nordic) peoples and the peoples of the East. Moreover, in one of the secret Posen speeches to the at Posen, Himmler said: "the mixed race of the Slavs is based on a sub-race with a few drops of our blood, the blood of a leading race; the Slav is unable to control himself and create order." In that vein, Himmler published the pamphlet , which featured photographs of ideal racial types, Aryans, contrasted with the barbarian races, descended from Attila the Hun and Genghis Khan, to the massacres committed in the Soviet Union dominated by Jewish Bolshevism. With the Polish decrees (8 March 1940), the Nazis ensured that the racial inferiority of the Poles was legally recognized in the German Reich, and regulated the working and living conditions of Polish laborers (). The Polish decrees also established that any Pole "who has sexual relations with a German man or woman, or approaches them in any other improper manner, will be punished by death." The were vigilant of sexual relations between Germans and Poles, and pursued anyone suspected of race defilement (); likewise, there were proscriptions of sexual relations between Germans and other ethnic groups brought in from Eastern Europe. As official policy, Heinrich Himmler said that no drop of German blood would be lost or left behind to mingle with any alien races; and that the Germanisation of Eastern Europe would be complete when "in the East dwell only men with truly German [and] Germanic blood". In the secret memorandum Reflections on the Treatment of Peoples of Alien Races in the East (25 May 1940), Himmler outlined the future of the Eastern European peoples: (i) division of native ethnic groups found in the new living-space; (ii) limited, formal education of four years of elementary school (to teach them only how to write their names and to count to five hundred); and (iii) obedience of the orders of Germans. Despite Nazi Germany's official racism, the extermination of Eastern European native populations was not always necessary because the racial policy of Nazi Germany regarded some Eastern European peoples as being of Aryan-Nordic stock, especially the local leaders. On March 4, 1941, Himmler introduced the German People's List (), which intended to segregate the inhabitants of German-occupied territories into categories of desirability according to criteria. In the same memorandum, Himmler advocated the kidnapping of children who appeared to be Nordic