Decree by King Rudolf I, Duke of Austria and Styria, for the citizens of Tulln [Present-day Austria]: “[…] 23. Furthermore, we decree and wish it to be carried out, that any of the Jews who reside in this town, are not allowed to charge more than a penny on the shilling, by way of weekly interest.”
Brugger, Eveline & Wiedl, Birgit. Regesten zur Geschichte der Juden in Österreich im Mittelalter. Band 1: Von den Anfängen bis 1338 (Regests on the History of the Jews in Austria during the Middle Ages. Volume 1: From the Beginnings to 1338). Studienverlag: Innsbruck, Austria, 2005. Page 69. Researched by Dominik Jacobs 9/8/2019