Places
- China -- Commerce -- History -- 20th century1
- China -- Description and travel1
- China -- Description and travel -- Maps1
- China -- Development -- 20th century1
- China -- Economic conditions1
- China -- Health and hygiene1
- China -- History -- Civil War, 1945-19491
- China -- History -- Northern Expedition, 1926-19281
- China -- History -- Republic, 1912-19491
- China -- History -- Warlord period, 1916-19281
- China -- History, Military -- 1912-19491
- China -- Photographs -- 20th century1
- China -- Politics and government1
- China -- Rural conditions -- 20th century1
- China -- Study and teaching1
- Costa Rica -- Commerce1
- Demonstrations1
- East Asia -- Social conditions1
- Edgartown (Mass.)1
- Great Britain -- Colonies -- America -- History -- 18th century1