Charles Francis Adams, Railroads: Their Origin and Problems (New York: G. P. Putnams Sons, 1878), 194.
Adams to Callaway, Aug. 24, 1885, UP, PO, OC, vol. 32, ser. 2, r. 27.
Perkins to Forbes, May 23, 1884, 33, 1880, 7.2, CB&Q.
Adams to Callaway, Nov. 19, 1884, UP, PO, OC, vol. 24, series 2, r. 21.
Adams to F. L. Ames, Sept. 30, 1886, UP, PO, OC, vol. 36, ser. 2, r. 31.
Adams to Callaway, Aug. 24, 1885, UP, PO, OC, vol. 32, ser. 2, r. 27.
Adams to Sidney Dillon, Jan. 12, 1886, UP, PO, OC, vol. 30, ser. 2, r. 26.
Adams to Callaway, Jan. 20, 1885, UP, PO, OC, vol. 30, ser. 2, r. 27.