Columbia subject headings:
China--Foreign relations--East Asia.
China--Foreign relations--Mongolia.
China--Foreign relations--Soviet Union.
East Asia--Foreign relations--China.
Mongolia--Foreign relations--China.
Soviet Union--Foreign relations--China.
Harvard subject headings:
China--Foreign relations--East Asia.
China--Foreign relations--Mongolia.
China--Foreign relations--Soviet Union.
East Asia--Foreign relations--China.
Mongolia--Foreign relations--China.
Soviet Union--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--East Asia.
China--Foreign relations--Mongolia.
China--Foreign relations--Soviet Union.
East Asia--Foreign relations--China.
Mongolia--Foreign relations--China.
Soviet Union--Foreign relations--China.