Columbia subject headings:
Harvard subject headings:
China--History--Tang dynasty, 618-907.
Xinjiang Uygur Zizhiqu (China)--History.
Xinjiang Uygur Zizhiqu (China)--Politics and government.
Princeton subject headings:
China--History--Tang dynasty, 618-907.
Xinjiang Uygur Zizhiqu (China)--History.
Xinjiang Uygur Zizhiqu (China)--Politics and government.