Writ of Holy Roman Emperor Louis IV [Present-day Germany]: “Louis, the Bavarian (‘Ludwig der Baier’) permits Gerwich and his brother, named Guzzen, to keep Jews in their territory Leipheim (‘Markt Leypheim’) until he revokes [the permission].” [Researcher’s note: The above is a translation of a German summary of the original Latin text which can be found in Oefele’s Rerum Boicarum Scriptores (Volume I).]
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 7/20/2020