Perkins to Forbes, May 23, 1884, 33, 1880, 7.2, CB&Q.

Adams to Perkins, Dec. 30, 1885, UP, PO, OC, vol. 30, ser. 2, r. 26.

for Adams's rationales, Adams to Gould, July 3, 1886, UP, PO, OC, vol. 29, ser. 2, r. 24.

Adams to Sidney Dillon, UP, PO, OC, vol. 28, ser. 2, r. 23.