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___. Henry Clay: The Lawyer. Lexington: University Press of Kentucky, 2000.
Bearss, Sara B. Henry Clay and the American Claims Against Portugal, 1850. Journal of the Early Republic 7 (Summer 1987): 167-80.
Binkley, Robert W., Jr. The American System; An Example of Nineteenth-Century Economic ThinkingIts Definition by Its Author, Henry Clay. Ph.D. dissertation, Columbia University, 1950.
Blakey, George T. Rendezvous with Republicanism: John Pope vs. Henry Clay in 1816. Indiana Magazine of History 62 (September 1966): 233-50.
Brent, Robert A. Between Calhoun and Webster: Clay in 1850. Southern Quarterly 8 (April 1970): 293-308.
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Clay, Thomas Hart. Henry Clay. Philadelphia: G.W. Jacobs Co., 1910. Ellis P. Oberholtzer completed the manuscript after Thomas Hart Clays death in 1907.
Colton, Calvin. The Last Seven Years of the Life of Henry Clay. New York: A.S. Barnes Co., 1856.
___. Life and Times of Henry Clay. 2 vols. 1846. Reprint, with new introduction by Michael Hudson. New York: Garland Publishing, 1974.
___, ed. The Private Correspondence of Henry Clay. 1855. Reprint. Freeport: Books for Libraries Press, 1971.
___, ed. The Speeches of Henry Clay. 2 vols. New York: A.S. Barnes Co., 1857.
___, ed. The Works of Henry Clay. 6 vols. New York: A.S. Barnes Burr, 1855-1857.
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Eichert, Magdalen. A Consideration of the Interests Which Lay Behind the Attitudes of Benton, Clay, Webster, and Calhoun in the Development of Public Land Policy, 1830-1841. Ph.D. dissertation, New York University, 1950.
___. Henry Clays Policy of Distribution of the Proceeds from Public Land Sales. Register of the Kentucky Historical Society 52 (January 1954): 25-32.
Follett, Mary Parker. Henry Clay as Speaker of the United States House of Representatives. In Annual Report of the American Historical Association for the Year 1891, vol. 1, pp. 256-65. Washington: Government Printing Office, 1892.
Foster, Thomas, and George Cochran. Eulogies Delivered in the Senate and House of Representatives of the United States on the Life and Character of Hon. John C. Calhoun, of South Carolina, Hon. Henry Clay, of Kentucky, and Hon. Daniel Webster, of Massachusetts. Washington: Foster Cochran, 1853.
Gantz, Richard Alan. Henry Clay and the Harvest of Bitter Fruit: The Struggle with John Tyler, 1841-1842. Ph.D. dissertation, Indiana University, 1986.
Gerland, Jonathan Kirk. Henry Clay and United States Indian Policy: An Assessment. Masters thesis, Stephen F. Austin State University, 1991.
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Hendricks, Rickey L. Henry Clay and Jacksonian Indian Policy: A Political Anachronism. Filson Club History Quarterly 60 (April 1986): 218-38.
Howe, Daniel Walker. Henry Clay, Ideologue of the Center. In The Political Culture of the American Whigs, pp. 123-49. Chicago: University of Chicago Press, 1979.
Jasinski, James. The Forms and Limits of Prudence in Henry Clays (1850) Defense of the Compromise Measures. Quarterly Journal of Speech 81 (November 1995): 454-78.
Johnson, Gerald W. Americas Silver Age: The Statecraft of Clay-Webster-Calhoun. New York: Harper Brothers, 1939.
Jones, Thomas B. Henry Clay and Continental Expansion, 1820-1844. Register of the Kentucky Historical Society 73 (July 1975): 241-62.
Klein, Larry Dean. Henry Clay, Nationalist. Ph.D. dissertation, University of Kentucky, 1977.
Knupfer, Peter B. Compromise and Statesmanship: Henry Clays Union. In The Union As It Is: Constitutional Unionism and Sectional Compromise, 1787-1861, pp. 119-57. Chapel Hill: University of North Carolina Press, 1991.
___. Henry Clays Constitutional Unionism. Register of the Kentucky Historical Society 89 (Winter 1991): 32-60.
Krueger, David W. The Clay-Tyler Feud, 1841-1842. Filson Club History Quarterly 42 (April 1968): 162-77.
Lightfoot, Alfred. Henry Clay and the Missouri Question, 1819-1821. Missouri Historical Review 61 (January 1967): 143-65.
Lindsey, David. Henry Clay-Andrew Jackson: Democracy and Enterprise. Cleveland: H. Allen, 1962.
Maness, Lonnie Edward. Henry Clay and the Problem of Slavery. Ph.D. dissertation, Memphis State University, 1980.
Mathias, Frank F. Henry Clay and His Kentucky Power Base. Register of the Kentucky Historical Society 78 (Spring 1980): 123-39.
Mayo, Bernard. Henry Clay, Spokesman of the West. 1937. Reprint. Hamden, CT: Archon Books, 1966.
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Morley, Margaret Ruth. The Edge of Empire: Henry Clays American System and the Formulation of American Foreign Policy, 1810-1833. Ph.D. dissertation, University of Wisconsin, 1972.
Neely, Mark E., Jr. American Nationalism in the Image of Henry Clay: Abraham Lincolns Eulogy on Henry Clay in Context. Register of the Kentucky Historical Society 73 (January 1975): 31-60.
Oates, Stephen B. Harry of the West: Henry Clay. Timeline 8 (October-November 1991): 2-19.
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Rogers, Joseph Morgan. The True Henry Clay. Philadelphia: J.B. Lippincott Co., 1904.
Schmucker, Samuel M. The Life and Times of Henry Clay. Philadelphia: J.E. Potter Co., 1860.
Schurz, Carl. Henry Clay. 2 vols. 1887. Reprint of 1899 ed., with new introduction by Glyndon G. Van Deusen. New York: Chelsea House, 1980. Originally published as Life of Henry Clay.
Seager, Robert, II. Henry Clay and the Politics of Compromise and Non-Compromise. Register of the Kentucky Historical Society 85 (Winter 1987): 1-28.
Shankman, Kimberly Christner. Compromise and the Constitution: The Political Thought of Henry Clay. Lanham: Lexington Books, 1999.
Shannon, Jasper B. Henry Clay as a Political Leader. Ph.D. dissertation, University of Wisconsin, Madison, 1934.
U.S. Congress. Obituary Addresses on the Occasion of the Death of the Hon. Henry Clay, a Senator of the United States from the State of Kentucky. 32d Cong., 1st sess., 1851-1852. Washington: R. Armstrong, 1852.
Van Atta, John R. A Lawless Rabble: Henry Clay and the Cultural Politics of Squatters rights, 1832-1841. Journal of the Early Republic 27 (Fall 2008): 337-378.
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Winkler, James R. Henry Clay: A Current Assessment. Register of the Kentucky Historical Society 70 (July 1972): 179-86.
___. The Political Economy of Henry Clay. Ph.D. dissertation, Fordham University, 1969.