Writ of Henry VII of Luxemburg [Present-day Germany]: “Henry VII orders […] also the Jews of Frankfurt to give 200 Pounds as aid-money for the war against Count Eberhard of Württemberg (‘Würtemberg’).”
Regesten zur Geschichte der Juden in Deutschland während des Mittelalters. Bearbeitet von Dr. M. Wiener. Erster Teil. (Regesta regarding the history of Jews in Germany during the Middle Ages. Edited by M[eir] Wiener, PhD. First Part.); (Hannover; 1862); Researched and Translated by Ziba Shadjaani 8/3/2020