Towne to CPH, April 19, 1871, CPH Papers, ser. 1, r. 3.
Towne to CPH, Oct. 29, 1877, CPH Papers, ser. 1, r. 13.
William Z. Ripley, Railway Problems (Boston: Ginn & Company, 1907), 123-44.
Gerald D. Berk, Louis D. Brandeis and the Making of Regulated Competition, 1900-1932 (New York: Cambridge Univ. Press, 2009), 74-78.
