“Prohibition to buy and sell grains and potatoes” issued by the Lower-Austrian Government [Austria]: “Jews are prohibited from purchasing and selling grain crops of all kinds as well as potatoes.”
Braumüller, Wilhelm: Urkunden und Akten zur Geschichte der Juden in Wien. Erste Abteilung. Allgemeiner Teil 1526-1847. Erster Band. (Wien) 1918. p. 36, Researched by Ziba Shadjaani 2/19/2016