Referenced In

The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano

"According to Oxenham, Historical Atlas, there were ten provinces or sheng (Liao-yang, Chung-shu, Shen-si, Ho-nan, Sze-ch’wan, Yun-nan, Hu-kwang, Kiang-che, Kiang-si and Kan-suh)…"