- United States -- Guidebooks
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- United States -- History -- Civil War, 1861-1865 -- Personal narratives
- United States -- Social conditions -- 1918-1932
- United States -- Politics and government -- 1963-1969
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- United States -- Social life and customs -- 20th century
- United States -- History -- Revolution, 1775-1783 -- Personal narratives
- United States -- Politics and government -- 1849-1877
- United States -- History -- Confederation, 1783-1789
- United States -- Environmental conditions
- United States -- Social life and customs -- 1918-1945
- United States -- Economic policy -- 2009-
- United States -- History -- 1913-1921 -- Fiction
- United States -- Economic conditions -- 2009-
- United States -- Genealogy -- Archival resources
- United States -- History -- Civil War, 1861-1865 -- Campaigns -- Fiction
- United States -- Capital and capitol -- History
- United States -- History -- Civil War, 1861-1865 -- Drama
- United States -- Foreign relations -- Soviet Union
- United States -- History -- 19th century -- Fiction
- United States -- History -- Constitutional period, 1789-1809
- United States -- Race relations -- History -- 19th century
- United States -- Economic conditions -- 2001-
- United States -- Defenses
- United States -- Politics and government -- 2014-
- United States -- History -- 20th century
- United States -- History -- Civil War, 1861-1865 -- Fiction
- United States -- History -- Colonial period (To 1775)
- United States -- History -- Revolution, 1775-1783 -- Causes
- United States -- Armed forces -- Women
- United States -- History -- 1919-1933 -- Fiction
- United States -- History -- 1945-
- United States -- Moral conditions
- United States -- History -- 1815-1861
- United States -- Civilization -- 20th century -- Fiction
- United States -- History -- Tripolitan War, 1801-1805
- United States -- History -- Civil War, 1861-1865 -- Medical care
- United States -- Armed Forces -- Equipment and supplies
- United States -- Civilization -- Indian influences
- United States -- Armed Forces -- Examinations
- United States -- History -- Civil War, 1861-1865 -- Psychological aspects
- United States -- Forecasting
- United States -- Social life and customs -- 1918-1945 -- Anecdotes
- United States -- Politics and government -- 2001-
- United States -- Relations -- Soviet Union -- Fiction
- United States -- History -- 1783-1865 -- Fiction
- United States -- History -- 1945-1953 -- Fiction
- United States -- Social life and customs -- 20th century -- Fiction
- United States -- History -- War of 1812 -- Campaigns