Columbia subject headings:
Harvard subject headings:
Mongolia--History
Mongols--History
Uighur (Turkic people)--History
Xinjiang Uygur Zizhiqu (China)--History.
Princeton subject headings:
Mongolia--History.
Mongols--History.
Uighur (Turkic people)--History.
Xinjiang Uygur Zizhiqu (China)--History.