Arthur T. Hadley, Railroad Transportation: Its History and Its Laws (New York: G. P. Putnams Sons, 1895, orig. ed., 1885), 67-74.
Hadley, Railroad Transportation, 70-71.
William Z. Ripley, Railroads, Rates, and Regulation (New York: Longman's Green, and Co., 1912), quote 53-54, 55, 65, 89.
Sharkey, Theory of Natural Monopoly, 19-22.
Berk, Louis D. Brandeis, 74-78.
Joseph R. Buchanan, The Story of a Labor Agitator (New York: Outlook Company, 1903), 430.
"Why the Government Should Run the Railroads," Union Pacific Employes' Magazine, Oct. 1886, p. 265.