Columbia subject headings:
City walls--China--Zhaoqing Shi.
Fortification--China--Zhaoqing Shi.
Historic buildings--China--Zhaoqing Shi.
Zhaoqing Shi (China)--History.
Zhaoqing Shi (China)--Social life and customs.
Harvard subject headings:
Princeton subject headings:
Historic buildings--China--Zhaoqing Shi.
Zhaoqing Shi (China)--History.