Columbia subject headings:
Harvard subject headings:
Han River (Shaanxi Sheng and Hubei Sheng, China)--Navigation--History.
Han River Watershed (Shaanxi Sheng and Hubei Sheng, China)--Economic conditions.
Princeton subject headings:
Han River (Shaanxi Sheng and Hubei Sheng, China)--Navigation--History.
Han River Watershed (Shaanxi Sheng and Hubei Sheng, China)--Economic conditions.