Arthur Mellon Wellington, The Economic Theory of the Location of Railways (New York: John Wiley & Sons, 1891), 2.
Anthony Trollope, North America (New York: Harper & Brothers, 1862), 442.
Wolfgang Schivelbusch, The Railway Journey: The Industrialization of Time and Space in the 19th Century (Berkeley: Univ. of California Press, 1986), is the classic account of this.
Ives to G. Clark, April 24, 1869, Ives to Brother, Nov. 17, 1867, box 6, f. 3, Ives Papers.