境界州
Ambler, Charles H. "The Cleavage between Eastern and Western Virginia". The American Historical Review Vol. 15, No. 4, (July 1910) pp. 762–780 in JSTOR
Ash. Steven V. Middle Tennessee Transformed, 1860-1870 Louisiana State University Press, 1988.
Baker, Jean H. The Politics of Continuity: Maryland Political Parties from 1858 to 1870 Johns Hopkins University Press, 1973.
Brownlee, Richard S. Gray Ghosts of the Confederacy: Guerrilla Warfare in the West, 1861-1865 (1958).
Coulter, E. Merton. The Civil War and Readjustment in Kentucky University of North Carolina Press, 1926.
Crofts, Daniel W.