Sojourner Truth, A Life, a Symbol (New York: W.W. Norton, 1996)
Standing at Armageddon: The United States, 1877-1919 (New York: W.W. Norton, 1987; Norton paperback, 1989)
The Narrative of Hosea Hudson: His Life as a Negro Communist in the South (Cambridge: Harvard University Press, 1979; Harvard paperback, 1980; Norton paperback, 1993)
Exodusters: Black Migration to Kansas After Reconstruction (New York: Alfred A. Knopf, 1976; Norton paperback, 1979;
University of Kansas Press paperback, 1986; Norton paperback, 1992).