Columbia subject headings:
Harvard subject headings:
City planning--China--Yancheng (Jiangsu Sheng).
Public works--China--Yancheng (Jiangsu Sheng)--History.
Yancheng (Jiangsu Sheng, China)--Economic conditions.
Princeton subject headings:
City planning--China--Yancheng (Jiangsu Sheng).
Public works--China--Yancheng (Jiangsu Sheng)--History.
Yancheng (Jiangsu Sheng, China)--Economic conditions.