- Communism--China--History (2)
- China--Foreign relations--Soviet Union (1)
- China--History--Warlord period, 1916-1928 (1)
- China--Politics and government--1912-1949 (1)
- Communism--Soviet Union--History (1)
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- Krymov, A. G. (Afanasiĭ Gavrilovich), 1905- (1)
- Soviet Union--Foreign relations--China (1)
- Stalin, Joseph, 1878-1953 (1)
- Trotsky, Leon, 1879-1940 (1)