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Incoming Resources
- United States -- History -- Civil War, 1861-1865 -- Causes -- Sources
- Civil rights movements -- United States -- History -- Sources
- United States -- Foreign relations -- Soviet Union -- Sources
- Social history -- 1960-1970 -- Sources
- Frontier and pioneer life -- West (U.S.) -- Sources
- Cold War -- Sources
- United States -- Territorial expansion -- Sources
- United States -- Politics and government -- 1945-1989 -- Sources -- Juvenile literature
- United States -- Politics and government -- 1989-1993 -- Sources -- Juvenile literature
- Washington (D.C.) -- History -- Civil War, 1861-1865 -- Sources -- Juvenile literature
- Lewis and Clark Expedition, 1804-1806 -- Sources -- Juvenile literature
- United States -- Social conditions -- 1918-1932 -- Sources
- Arthurian romances -- Sources
- Holocaust, Jewish (1939-1945) -- Sources
- West (U.S.) -- Description and travel -- Sources -- Juvenile literature
- United States -- Politics and government -- 1865-1877 -- Sources
- Manzanar War Relocation Center -- History -- Sources
- Manzanar War Relocation Center -- History -- Sources -- Juvenile literature
- United States -- Social conditions -- 1933-1945 -- Sources
- Anti-apartheid movements -- South Africa -- History -- Sources
- United States -- Politics and government -- 1865-1900 -- Sources -- Juvenile literature
- Appomattox Campaign, 1865 -- Sources -- Juvenile literature
- Concentration camps -- United States -- History -- Sources -- Juvenile literature
- United States -- History -- 1865-1898 -- Sources
- United States -- Politics and government -- 1783-1865 -- Sources
- West (U.S.) -- History -- Sources -- Juvenile literature
- United States -- Politics and government -- 1865-1900 -- Sources
- Great Britain -- History -- Elizabeth, 1558-1603 -- Sources
- Vietnam War, 1961-1975 -- Sources
- Presidents -- Sources
- United States -- History -- Civil War, 1861-1865 -- Campaigns -- Sources -- Juvenile literature
- Arthurian romances -- Sources -- Juvenile literature
- Presidents -- United States -- History -- Sources -- Juvenile literature
- Anti-communist movements -- United States -- History -- Sources
- Internal security -- United States -- History -- 20th century -- Sources
- Presidents -- United States -- History -- 19th century -- Sources -- Juvenile literature
- United States -- Politics and government -- 1865-1877 -- Sources -- Juvenile literature
- African Americans + Civil rights + History -- Sources
- Presidents' spouses -- United States -- History -- 19th century -- Sources -- Juvenile literature
- United States -- Territorial expansion -- Sources -- Juvenile literature
- United States -- History -- Civil War, 1861-1865 -- Sources
- United States -- History -- Civil War, 1861-1865 -- Causes -- Sources -- Juvenile literature
- Presidents -- United States -- History -- 20th century -- Sources -- Juvenile literature
- United States -- History -- 1961-1969 -- Sources
- United States -- Politics and government -- 1815-1861 -- Sources
- Cold War + History -- Sources
- World politics -- 1945-1989 -- Sources
- Subversive activities -- United States -- History -- 20th century -- Sources
- United States -- Politics and government -- 1901-1953 -- Sources -- Juvenile literature
- United States -- Social conditions -- 1960-1980 -- Sources