Mäder, Marie-Therese (2016). Film: The Holy Grail. In: Dale, C Allison Jr; Helmer, Christine; Leppin, Volker; Seow, Choon-Leong; Spieckermann, Hermann; Dov Walfish, Barry; Ziolkowski, Eric J. Encyclopedia of the Bible and its reception. Berlin: De Gruyter, 143-145.