Columbia subject headings:
Harvard subject headings:
China--Social conditions--960-1644.
China--Social life and customs--960-1644.
Law reports, digests, etc.
Law--China--Sources
Ming gong shu pan qing ming ji
Princeton subject headings:
China--History--Song dynasty, 960-1279.
China--Social conditions--960-1644.
Law--China--Cases.
Ming gong shu pan qing ming ji.