Columbia subject headings:
Harvard subject headings:
China--Officials and employees.
China--Politics and government--221 B.C.-960 A.D.
China--Social life and customs--221 B.C.-960 A.D.
Princeton subject headings:
China--Officials and employees.
China--Politics and government--221 B.C.-960 A.D.
China--Social life and customs--221 B.C.-960 A.D.