Columbia subject headings:
Administrative agencies--China--History.
China--History--Liao dynasty, 947-1125.
China--Officials and employees.
China--Politics and government--960-1279.
Harvard subject headings:
Administrative agencies--China--History.
China--Politics and government--960-1279.
Princeton subject headings:
Administrative agencies--China--History.
China--History--Liao dynasty, 947-1125.
China--Officials and employees.
China--Politics and government--960-1279.