- Hooded Americanism: The History of the Ku Klux Klan, 3rd ed.
- And the Crooked Places Made Straight: The Struggle for Social Change in the 1960s (The American Moment)
- Backfire: How the Ku Klux Klan Helped the Civil Rights Movement
- The Muckrake Years (An Anvil Original)
- Notes on Writing the History of the Ku Klux Klan