CPH to Hopkins, July 18, 1876, LB, 9:57, box 24, Hopkins Collection.
David M. Jordan, Roscoe Conkling of New York: Voice in the Senate (Ithaca: Cornell Univ. Press, 1971), 413, 417.
Conkling to CPH, Jan. 24, Feb. 1, 1880, CPH Papers, ser. 1, r. 18.
CPH to Conkling, Dec. 22, 1880, CPH Papers, ser. 2, r. 12.
CPH to Colton, Jan. 14, 1876, Huntington Letters, 3:445. Octopus Speaks, 286.
Lavender, Great Persuader, 215, 311.
CPH to Hopkins, Feb. 19, 1876, Huntington Letters, 4:459.
Summers, Press Gang, 109.