John W. Leonard, ed., Who’s Who in America: A Biographical Dictionary of Living Men and Women of the United States, 1899-1900 (Chicago: A. N. Marquis & Co., 1899), 790.
WHITNEY, Henry Clay, lawyer; b. Detroit, Me., Feb. 23, 1831; ed. Poughkeepsie, N. Y., Augusta Coll., Ky. and Farmers Coll., Ohio; m. Sarah Anna Snyder, Urbana, Ill.; intimate friend of Lincoln from 1854 until his death; paymaster, U. S. A., 1861-5; State senator, Kansas, 1871-2; att’y for Ill. Cent. R. R., 1855-61; for Florida Southern R. R., 1881-2. Author: Life on the Circuit with Lincoln; Marriage and Divorce; also many essays on Lincoln. Residence: 164 Bellingham Av., Beachmont, Revere, Mass. Office: 27 Doane St., Boston.