“Permission Granted” by King Rudolf I [Present-day Germany; Free Imperial City of Frankfurt]: “We Rudolf, King of the Holy Roman Empire by the grace of God, […] grant the Mayor (Schultheißen) […] – for his loyalty and service – permission to charge every Jew who is currently residing in Frankfurt or who will find residence there in the future, 1 Mark until this permission is withdrawn. […]” [Researcher’s note: This document was issued and signed in Vienna.]
UB Frankfurt 1, Nr. 442, S. 213 f.;Codex Diplomaticus Moenofrancofurtanus, S. 202. (“Certificate Book of Frankfurt 1, No, 442, p. 213 f.; Diplomatic Codex Moenofrancofurtanus”); Researched and Translated by Ziba Shadjaani 3/26/2017