Columbia subject headings:
Gobi Desert (Mongolia and China)
Mongolia--Description and travel.
Xinjiang Uygur Zizhiqu (China)--Description and travel.
Harvard subject headings:
Gobi.
Mongolia--Description and travel
Xinjiang Uygur Zizhiqu (China)--Description and travel.
Princeton subject headings:
Gobi.
Mongolia--Description and travel.
Xinjiang Uygur Zizhiqu (China)--Description and travel.