Yard Masters Mutual Benefit Association to CPH, Oct. 5, 1887, with circular, CPH Papers, ser. 1, r. 46.
Mark Aldrich, Death Rode the Rails: American Railroad Accidents and Safety, 1828-1965 (Baltimore: Johns Hopkins Univ. Press, 2006), 103-4.
Steven W. Usselman, Regulating Railroad Innovation: Business, Technology, and Politics in America, 1840-1920 (New York: Cambridge Univ. Press), 173, 273.
Aldrich, Death Rode the Rails, 108.
Transportation Rules, Northern Pacific System of Railroads, in Effect Sept. 1, 1883 (St. Paul: Pioneer Press Co, 1883), 5, 7, 8, also 2, 3, Northern Pacific Railway Company Papers, pt. 1, ser. B, NS7602, r. 2, Secretary, Printed Materials.
Aldrich, Death Rode the Rails, 82-85, 109-112.
John H. White Jr., The American Railroad Freight Car: From the Wood-Car Era to the Coming of Steel (Baltimore: Johns Hopkins Univ. Press, 1993), 528-29.
Licht, Working for the Railroad, 182-83.
White, American Freight Car, 529.
Aldrich, Death Rode the Rails, 28.