Pletcher, Kenneth. The Geography of China: Sacred and Historic Places, p. 359. Britannica Educational Publishing (New York), 2011. Accessed 16 August 2013.
E.g., in Davis, John. The Chinese: A General Description of the Empire of China and Its Inhabitants, Vol. 1, pp. 132 ff. C. Knight, 1836.
Fan Chengda. James M. Hargett (trans.) Riding the River Home: A Complete and Annotated Translation of Fan Chengda's (1126–1193) Travel Diary Record of a Boat Trip to Wu, p. 77. Chinese Univ. of Hong Kong (Hong Kong), 2008. Accessed 15 August 2013.