Places
- China -- Description and travel3
- China -- Foreign relations3
- China -- Foreign relations -- Japan3
- China -- History -- Warlord period, 1916-19283
- China -- History, Military -- 1912-19493
- Russia -- Foreign relations -- 1881-18943
- Russia -- History -- Revolution, 1905-19073
- Soviet Union -- Armed forces3
- Soviet Union -- Politics and government -- 1917-19363
- Soviet Union -- Study and teaching -- United States3
- Taiwan -- History -- 1945-3
- United States -- Foreign relations -- China3
- China -- Economic conditions2
- China -- Economic conditions -- 20th century2
- China -- Foreign relations -- Great Britain2
- China -- Foreign relations -- Soviet Union2
- China -- History -- Republic, 1912-19492
- China -- History -- Xi'an Incident, 19362
- China -- History, Military2
- Estonia -- History -- Revolution, 1917-19182