Friedlander (2009), p. 39. Friedlander, Alan (2009). The Hammer of the Inquisitors: Brother Bernard Délicieux & the Struggle Against the Inquisition in Fourteenth-Century France. Cultures, beliefs, and traditions. Vol. V. 9. Leiden, Netherlands ; Boston, MA: Brill Publishers. ISBN9789004115194. OCLC607468511.
Friedlander (2009), p. 54-58. Friedlander, Alan (2009). The Hammer of the Inquisitors: Brother Bernard Délicieux & the Struggle Against the Inquisition in Fourteenth-Century France. Cultures, beliefs, and traditions. Vol. V. 9. Leiden, Netherlands ; Boston, MA: Brill Publishers. ISBN9789004115194. OCLC607468511.