- United States -- History -- Revolution, 1775-1783 -- Military intelligence
- United States -- Economic conditions -- 1918-1945
- United States -- History -- Civil War, 1861-1865 -- Veterans -- Biography
- United States -- Economic conditions
- United States -- Social life and customs -- 20th century -- Fiction
- United States -- Politics and government -- 1849-1861
- United States -- History -- 1933-1945
- United States -- Constitution
- United States -- Geography
- United States -- Armed Forces -- Biography
- United States -- History -- King William's War, 1689-1697
- United States -- History -- Civil War, 1861-1865 -- Historiography
- United States -- Social conditions -- 2020-
- United States -- Politics and government -- 1989-
- United States -- Politics and government -- 1945-1953
- United States -- Politics and government -- To 1775
- United States -- Relations -- Japan
- United States -- Civilization -- 1945-
- United States -- Armed Forces -- Aerial gunners -- Biography
- United States -- Social conditions -- 1933-1945
- United States -- Armed Forces -- Public opinion
- United States -- Politics and government -- Philosophy
- United States -- Military relations -- Russia (Federation) -- Fiction
- United States -- Foreign relations -- 1913-1921
- United States -- History -- French and Indian War, 1754-1763
- United States -- Description and travel -- Anecdotes
- United States -- Foreign relations -- Europe
- United States -- Foreign relations -- Iraq
- United States -- History, Local
- United States -- Politics and government -- Chronology
- United States -- History -- Civil War, 1861-1865 -- Battlefields -- Guidebooks
- United States -- History -- Civil War, 1861-1865 -- Personal narratives, Confederate
- United States -- Emigration and immigration -- Archival resources
- United States -- Military policy -- History -- 21st century
- United States -- Politics and government -- 1829-1837
- United States -- Politics and government -- 1789-1797
- United States -- Civilization
- United States -- Emigration and immigration -- Government policy -- History
- United States -- Economic conditions -- 21st century
- United States -- History -- Revolution, 1775-1783 -- Study and teaching -- Activity programs
- United States -- Military policy -- Public opinion
- United States -- Territorial expansion
- United States -- Foreign relations -- 1945-1989
- United States -- History -- Civil War, 1861-1865 -- Law and legislation
- United States -- Military policy -- Decision making
- United States -- Foreign relations -- El Salvador
- United States -- History -- Religious aspects
- United States -- History -- Revolution, 1775-1783 -- Songs and music
- United States -- Colonial question
- United States -- Politics and government -- 1869-1877