For the Louisville and Nashville, see Maury Klein, History of the Louisville and Nashville Railroad, (New York: MacMillan, 1972).
John E. Clark, Railroads in the Civil War: The Impact of Management on Victory and Defeat (Baton Rouge: Louisiana State Univ. Press, 2001), 35-38.
Weber, Northern Railroads, 42-43.
Albert Fink, "The Railroad Problem and Its Solution," Argument before the Committee on Commerce of the U.S. House . . . , Jan. 14, 15, 16, 1880 (New York: Russell Brothers Printers, 1882), 49-51.
Albert Fink, Testimony of Albert Fink before the Select Committee on Interstate Commerce of the United States Senate . . . New York, May 21, 1885 (Washington, D.C.: GPO, 1885), 22.
Vance contends regional rather than national integration was determined in part by geographical route ways, in North American Railroad, 111-15.
George Rogers Taylor and Irene Neu, The American Railroad Network, 1861-1890 (Cambridge: Harvard Univ. Press, 1956), 53-57, 49-83.