Columbia subject headings:
Harvard subject headings:
China--Politics and government--221 B.C.-960 A.D.
China--Politics and government--960-1279.
Land tenure--China--History
Local government--China--History
Princeton subject headings:
China--History--Song dynasty, 960-1279.
China--History--Tang dynasty, 618-907.
China--Social conditions--221 B.C.-960 A.D.
China--Social conditions--960-1644.