Places
- United States -- Description and travel5
- United States -- Emigration and immigration5
- United States -- History, Military5
- United States -- Social policy5
- China -- Economic conditions -- 20th century4
- China -- Foreign relations -- Japan4
- China -- History -- Northern Expedition, 1926-19284
- China -- History -- Xi'an Incident, 19364
- China -- History, Military4
- China -- History, Military -- 1912-19494
- China -- Social conditions4
- France4
- Germany4
- Great Britain -- Politics and government4
- New York (N.Y.) -- Genealogy4
- New York (N.Y.) -- Newspapers4
- New York (State) -- History4
- New York (State) -- Social life and customs4
- Russia -- Foreign relations -- 1881-18944
- Russia -- History -- 20th century4