Klein, Union Pacific, 473.
Kimball to S. R. Callaway, March 17, 1886, enclosure with Callaway to Adams, March 18, 1886, UP, SG2, ser. 1, box 34, f. 1: Callaway.
Kimball to S. R. Callaway, March 22, 1886, enclosure with Callaway to Adams, March 23, 1886, UP, SG2, ser. 1, box 34, f. 2: Callaway.
Traffic Manager to Editor of Railway Age, Jan. 7, 1887, Van Horne LB, 20(1):4849, vol. 3.
Memorandum, c. Oct. 1886, Van Horne LB, 18 (2), vol. 3.
Adams to Hallgarten & Co., March 1, 1886, UP, PO, OC, vol. 34, ser. 2, r. 29.
The percentage for 1886 was 8 percent.
Adams to H. White, Dec. 3, 1885, UP, PO, OC, vol. 30, ser. 2, r. 26.
Adams to Callaway, Oct. 10, 1885, UP, PO, OC, vol. 32, ser. 2, r. 28.
Julius Grodinsky, Transcontinental Railway Strategy, 1869-1893: A Study of Businessmen (Philadelphia: Univ. of Pennsylvania Press, 1962), 165-66
Van Horne to Sir. John McDonald, Oct. 25, 1885, Van Horne LB, 14:110-12, vol. 2.
Van Horne to J. J. Hill, April 21, 1886, Van Horne LB, 16:268-70, vol. 3.
General Traffic Manager to Railway Age, Jan.7, 1887, Van Horne LB, 20:48, vol. 3.
Van Horne to P. V. Martinsen, Jan. 19, 1887, 19: 100, vol. 3.