Columbia subject headings:
Harvard subject headings:
Postal service--China--Zhongxiang Xian--History.
Telecommunication--China--Zhongxiang Xian--History.
Zhongxiang Xian (China)--History.
Princeton subject headings:
Postal service--China--Zhongxiang Xian--History.
Telecommunication--China--Zhongxiang Xian--History.
Zhongxiang Xian (China)--History.