___. Civil War Senator: William Pitt Fessenden and the Fight to Save the American Republic. Baton Rouge: Louisiana State University Press, 2010.
Fessenden, Francis. Life and Public Services of William Pitt Fessenden. Edited by James D. Fessenden. 2 vols. 1907. Reprint. New York: Da Capo Press, 1970.
Jellison, Charles A. Fessenden of Maine, Civil War Senator. Syracuse: Syracuse University Press, 1962.
Roske, Ralph J. The Seven Martyrs? American Historical Review 64 (January 1959): 323-30.
U.S. Congress. Memorial Addresses on the Life and Character of William Pitt Fessenden (a Senator from Maine). 41st Cong., 2d sess., 1869-1870. Washington: Government Printing Office, 1870.