Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Soviet Union.
Korean War, 1950-1953--Diplomatic history
Soviet Union--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--Soviet Union.
Korean War, 1950-1953.
Mao, Zedong, 1893-1976.
Soviet Union--Foreign relations--China.
Stalin, Joseph, 1878-1953.