=Clarke, Richard Henry.= _D. C._, 1827- ----. A noted Roman Catholic lawyer of Washington, and, later, of New York, who has written many controversial papers, and published Illustrated History of the Catholic Church in the United States; Lives of Deceased Roman Catholic Bishops of the United States. =Clay, Cassius Marcellus.= _Ky._, 1810-1903. A Kentucky congressman noted as a strong opponent of slavery, who was minister to Russia 1861-69. _See Life and Memoirs, compiled by Himself._ =Clay, Henry.= _Va._, 1777-1852. A Kentucky statesman and orator, who was in public life for half a century, and was several times an unsuccessful candidate for the presidency. He is known in literature by his Speeches, several collections of which were published in his lifetime. _See Parton’s Famous Americans; Lives by G. D. Prentice, 1831; Swaim, 1843; Mallory, 1844; Sargent and Greeley, 1852; Colton, 1857; Carl Schurz, 1887._ =Cleaveland, John.= _Ct._, 1722-1799. A Congregational minister of Massachusetts. The Work of God at Chebacco (now Essex) in 1763; Essay to Defend Christ’s Sacrifice and Atonement against Aspersions cast on the Same by Dr. Mayhew; Reply to Dr. Mayhew’s Letter of Reproof; Treatise on Infant Baptism. =Cleaveland, Nehemiah.= _Ms._, 1796-1877. Grandson of J. Cleaveland, _supra_. An educator of Massachusetts, who published a History of Bowdoin College, with Biographical Sketches of its Graduates, 1806-79, edited and completed by A. S. Packard, _infra_. =Cleaveland, Parker.= _Ms_., 1780-1858. Grandson of J. Cleaveland, _supra_. A professor in Bowdoin College, 1805-58, whose Mineralogy and Geology, 1816, gained for him the title of “the father of American mineralogy.” =Cleland, Thomas.= _Va._, 1778-1858. A Presbyterian clergyman of Kentucky, much inclined to controversy, who published Letters on Campbellism; The Socini-Arian Detected; Unitarianism Unmasked. =Clemens, Jeremiah.= _Al._, 1814-1865. An Alabama statesman who won some notice as a novelist. Bernard Lyle; Mustang Gray; The Rivals, a Tale of the Times of Burr and Hamilton; Tobias Wilson, a Tale of the Great Rebellion.