CPH to Hopkins, Jan. 5, 1877 (misdated 1876), Personal, Willards Hotel, LB, 9:119, box 24, Hopkins Collection.
Huntington came to regard the attack on Cohen as a colossal mistake.
D. Colton to CPH, Sept. 20, 1878, Octopus Speaks, 560.
CPH to Hopkins, May 12, 1876, LB, 9:19, box 24, Hopkins Collection.
Cohen to CPH, June 11, 1878, CPH Papers, ser. 1, r. 14.
CPH to Crocker, Feb. 4, 17, 1882, CPH Papers, vol. 29, ser. 2, r. 6.
Flagg to CPH, Nov. 15, 1878, CPH Papers, ser. 1, r. 16.