Places
- United States -- Social conditions2
- Antarctica -- Discovery and exploration1
- Arctic regions -- Discovery and exploration1
- Ashokan Reservoir (N.Y.)1
- Australia -- Social conditions1
- Boston (Mass.) -- Commerce1
- Canada -- Commerce -- United States1
- Central Park (New York, N.Y.) -- Photographs1
- Charleston (S.C.) -- Commerce1
- China -- Commerce -- United States1
- China -- Foreign relations -- Great Britain1
- China -- Foreign relations -- Japan1
- China -- Foreign relations -- Soviet Union1
- China -- Foreign relations -- United States1
- China -- History -- 1928-19371
- China -- History -- Civil War, 1945-19491
- China -- History -- Northern Expedition, 1926-19281
- China -- History -- Republic, 1912-19491
- China -- History, Military1
- China -- History, Military -- 1912-19491