If the authority of the National-Socialist Reich is to be upheld, then it is unacceptable that representatives of the Reich should be obliged to meet Jews when they enter or leave the house, and are in this way liable to infection with epidemics. I therefore intend to clear the city of Cracow, the seat of the Governor-General of the General Government, of Jews, as far as at all possible, by November 1, 1940. There will be a major operation to move the Jews, on the grounds that it is absolutely intolerable that thousands upon thousands of Jews should go slinking around and occupy apartments in the city which the Führer has granted the great honor of becoming the seat of a high Reich Authority...
April 12, 1940, from "Documents on the Holocaust: Selected Sources on the Destruction of the Jews" - Page 197 - by Yitzhak Arad, Israel Gutman, Abraham Margaliot, Lea Ben Dor, Steven T. Katz