سانچہ:Byzantium Confronts the West
Charles M. Brand (1968)۔ Byzantium Confronts the West, 1180–1204۔ Cambridge, Massachusetts: Harvard University Press۔ LCCN:67-20872۔ OCLC:795121713
Charles M. Brand (1968)۔ Byzantium Confronts the West, 1180–1204۔ Cambridge, Massachusetts: Harvard University Press۔ LCCN:67-20872۔ OCLC:795121713