I. Metzler. Medieval Ethnographies. European Perceptions of the World Beyond, volume 9 of The Expansion of Latin Europe, 1000-1500, Farnham, Burlington, (2009)
J. Le Goff. Medieval Ethnographies. European Perceptions of the World Beyond, volume 9 of The Expansion of Latin Europe, 1000-1500, Farnham, Burlington, (2009)