Subject
- African Americans889
- Causes884
- United States. Congress844
- Colonies759
- Lincoln, Abraham, 1809-1865747
- Elections740
- Civil rights739
- Public opinion661
- Influence659
- Constitutional law656
- Social policy628
- Republican Party (U.S. : 1854- )623
- Reconstruction (U.S. history, 1865-1877)621
- Democratic Party (U.S.)611
- Political activity593
- Statesmen585
- Jefferson, Thomas, 1743-1826581
- Philosophy572
- Civilization560
- Bush, George W. (George Walker), 1946-557