Columbia subject headings:
China--Foreign relations--1912-1949.
China--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations--China.
Harvard subject headings:
China--Foreign relations--1912-1949
China--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--1912-1949.
China--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations--China.