Columbia subject headings:
China--History--Xi Xia dynasty, 1038-1227.
Law--China, Northwest--History--To 1500.
Law--China--Gansu Sheng--History--To 1500.
Tangut (Chinese people)--Legal status, laws, etc.
Tiansheng lü ling.
Harvard subject headings:
Princeton subject headings:
China--History--Xi Xia dynasty, 1038-1227.
Law--China, Northwest--History--To 1500.
Law--China--Gansu Sheng--History--To 1500.
Tangut (Chinese people)--Legal status, laws, etc.
Tiansheng lü ling.