Decretal by Honorius III to archbishop of Toledo, 1218 [Present-day England]: “We command that the dress of the Jews be distinguished from the Christians…”
N. Vincent, “Two papal letters on the wearing of the Jewish badge, 1221 and 1229, “Jewish Historical Studies 34, 1996, 209-224, appendix, p. 220-21, Researched and Translated by Joan Paez 2/12/2016