"j.""All the currently available documents of Nazi administration show that, together with the Jews, the stratum of the Polish intelligentsia was marked for total extermination. In fact, Nazi Germany achieved this goal almost by half, since Poland lost 50 percent of her citizens with university diplomas and 35 percent of those with a gimnazium diploma." According to Brzoza and Sowa, 450,000 of Polish citizens had completed higher, secondary, or trade school education by the outbreak of the war. 37.5% of people with higher education perished, 30% of those with general secondary education, and 53.3% of trade school graduates.