Columbia subject headings:
Harvard subject headings:
China--History--Ming dynasty, 1368-1644.
China--History--Qing dynasty, 1644-1912.
Law--China--History
Merchants--China--Shanxi Sheng--History
Princeton subject headings:
China--History--Ming dynasty, 1368-1644.
China--History--Qing dynasty, 1644-1912.
Law--China--History.
Merchants--China--Shanxi Sheng--History.