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Places
- American literature2
- Edgartown (Mass.)1
- Eklutna Dam (Alaska)1
- Europe -- Ethnic relations -- History -- 20th century1
- Great Lakes (North America) -- Regulation1
- Martha's Vineyard (Mass.)1
- New York (State) -- History -- Revolution, 1775-1783 -- Campaigns1
- Niagara Falls (N.Y. and Ont.)1
- Niagara Falls (N.Y. and Ont.) -- Regulation1
- Saint Lawrence Seaway1
- Soviet Union -- History -- Revolution, 1917-19211
- Soviet Union -- Religious life and customs1
- Soviet Union -- Social conditions1
- Soviet Union -- Social life and customs1
- United States -- Emigration and immigration -- Government policy1
- United States -- Politics and government -- 1933-19451
- United States -- Politics and government -- 20th century1