Hart, Empire and Revolution, 52-53.
Plumb to Church, July 17, 1872, Church to Plumb, June 11, 1872, Plumb to Wm. Hunter, Aug. 23, 1872, box 2, f. 21, Plumb to Hamilton Fish, Aug. 15, 1873, box 2, f. 23; Plumb quote, Plumb to Horace Porter, Sept. 29, 1871, box 2, f. 19, Plumb Papers.
Rose Kingsley, South by West ed. with a preface by the Rev. Charles Kingsley (London: W. Isbister, 1874), 183.
Pletcher, Rails, Mines, and Progress, 41-51.
Charles Kingsley, "Preface," South by West, viii-ix; Kingsley, South by West, 284.
The Northern Pacific, in part, sold itself to the government as a means to subdue Indians.
Henrietta M. Larson, Jay Cooke: Private Banker (Cambridge: Harvard Univ. Press, 1936), 254, 273-95.
Robert G. Angevine, The Railroad and the State: War, Politics, and Technology in Nineteenth-Century America (Stanford: Stanford Univ. Press, 2004), 194, 198-99.