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Places
- Russia -- Social conditions -- 1801-19173
- United States -- Politics and government -- 20th century3
- China -- Economic conditions2
- China -- Politics and government -- 1912-19492
- China -- Politics and government -- 20th century2
- Soviet Union -- History -- Revolution, 1917-19212
- United States -- Commerce2
- Ashokan Reservoir (N.Y.)1
- Asia -- Description and travel1
- Bessarabia (Moldavian S.S.R. and Ukraine) -- History1
- Bulgaria1
- China -- Development -- 20th century1
- China -- Economic policy1
- China -- Foreign relations -- United States1
- China -- History -- 1928-19371
- China -- History -- 20th century1
- China -- History -- Xi'an Incident, 19361
- China -- Politics and government1
- China -- Rural conditions -- 20th century1
- China -- Social conditions1