Columbia subject headings:
Harvard subject headings:
China--Foreign relations--1949-
China--Foreign relations--Russia (Federation)
China--Foreign relations--Soviet Union.
Russia (Federation)--Foreign relations
Russia (Federation)--Foreign relations--China
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--1949-
China--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--China.