Columbia subject headings:
Harvard subject headings:
China--Politics and government--1368-1644.
Civil service--China--History.
Local government--China--History
Shaanxi Sheng (China)--History.
Xi'an (Shaanxi Sheng, China)--History.
Princeton subject headings:
China--Politics and government--1368-1644.
Civil service--China--History.
Local government--China--History.
Shaanxi Sheng (China)--History.
Sian (China)--History.