- United States -- Foreign relations -- 1993-2001
- United States -- Foreign relations -- 2001-
- United States -- Politics and government -- 1961-1963
- United States -- 19th century
- United States -- Emigration and immigration -- History
- United States
- United States -- History -- Civil War, 1861-1865 -- Women
- United States -- Politics and government -- 1783-1789
- United States -- Politics and government -- 1933-1945
- United States -- History -- 20th century -- Chronology
- United States -- Politics and government -- 1945-1989
- United States -- History -- 19th century
- United States -- Politics and government -- 1969-1974
- United States -- Social life and customs -- Anecdotes
- United States -- Social conditions -- 20th century -- Drama
- United States -- History -- Civil War, 1861-1865 -- Anecdotes
- United States -- Social conditions -- 20th century -- Fiction
- United States -- History
- United States -- History -- Colonial period, ca. 1600-1775 -- Biography
- United States -- Fiction
- United States -- History -- 1849-1877
- United States -- Race relations -- Fiction
- United States -- History -- Civil War, 1861-1865 -- Cavalry -- Drama
- United States -- History -- Revolution, 1775-1783 -- Secret service
- United States -- Armed Forces -- Dictionaries
- United States -- Foreign relations -- Great Britain
- United States -- Civilization -- 1970- -- Humor
- United States -- Armed Forces -- Dictionaries -- Handbooks, manuals, etc
- United States -- Politics and government -- 1775-1783
- United States -- History -- Revolution, 1775-1783 -- Fiction
- United States -- History -- Civil War, 1861-1865 -- Campaigns -- Fiction
- United States -- Social life and customs -- 1971- -- Humor
- United States -- Civilization -- 21st century
- United States -- Ethnic relations -- Fiction
- United States -- Military policy
- United States -- History -- Revolution, 1775-1783
- United States -- History -- Civil War, 1861-1865 -- Antiquities
- United States -- Description and travel
- United States -- National Guard -- Fiction
- United States -- History -- Civil War, 1861-1865 -- Secret service
- United States -- Economic policy -- 1933-1945
- United States -- Politics and government -- Humor
- United States -- History -- Sources
- United States -- Foreign relations -- 1989- -- Decision making
- United States -- History -- 1783-1815 -- Anecdotes
- United States -- Politics and government -- 2001-2009
- United States -- Armed Forces -- Nurses -- Fiction
- United States -- History -- Civil War, 1861-1865 -- Cavalry
- United States -- History -- Civil War, 1861-1865 -- Antiquities -- Catalogs
- United States -- History, Local -- Miscellanea