DARDESS, John W. Conquerors and Confucians: aspects of political change in late Yuan China. New York: Columbia University Press, 1973. Dostupné online. S. 39–42. (anglicky)
MOTE, Frederick W. Imperial China 900-1800. Cambridge, Massachusetts: Harvard University Press, 2003. 1136 s. Dostupné online. ISBN0-674-01212-7. S. 471. (anglicky)
VON GLAHN, Richard. Fountain of Fortune: money and monetary policy in China, 1000–1700. Berkeley, California: University of California Press, 1996. 338 s. Dostupné online. ISBN0-520-20408-5, ISBN9780520204089. S. 60. (anglicky)
VERNADSKY, G.V. The Mongols and Russia. [s.l.]: [s.n.], 1953. Dostupné online. S. 93. (anglicky)
