Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Russia--History.
China--Foreign relations--Soviet Union--History.
China--History--Civil War, 1945-1949.
Russia--Foreign relations--China
Soviet Union--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--Russia--History.
China--Foreign relations--Soviet Union--History.
China--History--Civil War, 1945-1949.
Russia--Foreign relations--China--History.
Soviet Union--Foreign relations--China--History.