Columbia subject headings:
Harvard subject headings:
Russia--Commerce--China--Xinjiang Uygur Zizhiqu.
Soviet Union--Commerce--China--Xinjiang Uygur Zizhiqu.
Xinjiang Uygur Zizhiqu (China)--Commerce--Russia.
Xinjiang Uygur Zizhiqu (China)--Commerce--Soviet Union.
Princeton subject headings:
Russia--Commerce--China--Xinjiang Uygur Zizhiqu.
Soviet Union--Commerce--China--Xinjiang Uygur Zizhiqu.
Xinjiang Uygur Zizhiqu (China)--Commerce--Russia.
Xinjiang Uygur Zizhiqu (China)--Commerce--Soviet Union.