George Rogers Taylor and Irene D. Neu, The American Railroad Network, 1861-1890 (Cambridge: Harvard Univ. Press, 1956), 69-76.
"Practical Railroading," Railway Age, July 5, 1877, p. 1104.
"Fast Freight Lines - The Other Side," Railway Age, Sept. 13, 1877, p. 1308.
"The Fast Freight Lines," Railway Age, July 19, 1877, p. 1144.