Cabinets-Order to the Director General issued by King Fredrick II of Prussia [Prussia / Present-day Germany, Poland, Lithuania]: “Regal ordinance commanding that the law which prohibits Jews to trade from door-to-door is to be implemented. [It is commanded that proper] actions are to be taken against foreign Jews who sneak in[to the country].”
Stern, Selma: Der Preussische Staat und die Juden, (The Prussian State and the Jews) Dritter Teil, 2. Akten, 1. Halbband (1971) p. 5, Researched and Translated by Ziba Shadjaani 12/27/2015