Van Horne to J. H. Pope, May 19, 1884, Van Horne LB, 6:145, vol. 2.
John Lorne McDougall, Canadian Pacific: A Brief History (Montreal: McGill Univ. Press, 1968), 54-60.
Van Horne to Andrew Cleghorne, Sept. 8, 1885, Van Horne LB, 13:22326, vol. 2.
Van Horne to Robert Baird, Jan. 29, 1886, Van Horne to T. Mayne Waly, Feb. 1, 1886, Van Horne LB, 15:133-34.
CPH to Crocker, May 9, 1881, CPH Papers, vol. 28, ser. 2, r. 6.
The Mexican National Railway (Palmer-Sullivan Concession), 1881 (n.p.) APS Pamphlets Pertaining to Mexican Railroads, vol. 2, no. 15.
Hart, Empire and Revolution, 119-23.
CPH to Crocker, May 20, 25, 1880, May 19, 1881, June 6, 1881, CPH LB, 28, ser. 2, r. 6.