Basler, Roy P., ed. Abraham Lincoln: His Speeches and Writings. Cleveland, OH: World Publishing, 1946.
Black, Robert C. The Railroads of the Confederacy. Chapel Hill, NC: University of North Carolina Press, 1998.
Fite, Emerson David. Social and Industrial Conditions in the North during the Civil War. Williamstown, MA: Corner House, 1976.
Gable, Dr. Christopher R. "Railroad Generalship: Foundations of Civil War Strategy " at http://cgsc.leavenworth.army.mil/carl/resources/csi/gabel4/gabel4.asp