ABSTRACT
Grousset, Rene. The Empire of the Steppes. New Brunswick, NJ: Rutgers UP, 1970.
Saunders, J .J. The History of Mongol Conquests. London: Routledge, 1971.
Spuler, Bertold. The Muslim World: A Historical Survey. Pt.2: The Mongol Period. Leiden: Brill, 1960.
