Geographic Term
- France20
- United States Economic policy20
- United States History Revolution, 1775-1783 Fiction20
- United States Race relations20
- United States Economic conditions 1918-194519
- United States History Civil War, 1861-186518
- Soviet Union17
- United States Biography17
- United States Politics and government 1861-186516
- United States Politics and government 1775-178315
- United States Economic conditions13
- United States History Civil War, 1861-1865 Juvenile literature13
- China12
- Massachusetts12
- New York (State) Albany12
- California11
- Europe11
- Mexico11
- Virginia11
- New England10