v. 1-3. Introduction / by Thomas B. Reed. Life and times of Henry Clay. Correspondence of Henry Clay, 1843 to 1851. With collateral letters and notes / Ed. by Thomas B. Stevenson
v. 4-5. Private correspondence, 1801-1852
v. 10. The tariff, a history of tariff legislation from 1812-1896 / by William McKinley.