CPH to Hopkins, May 12, 1876, LB, 9:19, box 24, Hopkins Collection.
CPH to Hopkins, June 10, 1876, LB, 9:39, box 24, Hopkins Collection.
Central Pacific Company v. Alfred A. Cohen, Tuesday, July 18, 1876 ff., vol. 1, Tuesday, July 18, 1876 ff.
CPH to Hopkins, Jan. 5, 1877 (misdated 1876), Personal, Willards Hotel, LB, 9:119, box 24, Hopkins Collection.
Klein, Union Pacific, 461.
Maury Klein, The Life and Legend of Jay Gould (Baltimore: Johns Hopkins Univ. Press, 1986), 3.
Adams to Judge (Dillon), Dec. 30, 1887, UP, PO, OC, vol. 42, ser. 2, r. 37.