^Bettina Bildhauer, "Blood, Jews and Monsters", in The Monstrous Middle-Ages, ed. Bettina Bildhauer and Robert Mills (Cardiff: University of Wales Press, 2003), p. 77.
^Evelyn Edson, Mapping Time and Space: How Medieval Mapmakers Viewed Their World (London: British Library, 1997), pp. 138–139.