Correspondence, speeches, legal papers, and other papers. Chiefly correspondence covering Crittenden's career as U.S. attorney general and U.S. senator from and governor of Kentucky. Subjects include national politics, particularly banking and tariff matters, slavery, Mexico, and Texas; the southern Whigs; Crittenden's relations with Henry Clay; reactions to the Crittenden Compromise; and Kentucky politics and law. Correspondents include George Edmund Badger, Francis Preston Blair, Orlando Brown, Albert T. Burnley, Henry Clay, John M. Clayton, Charles Augustus Davis, Reverdy Johnson, Richard M. Johnson, Amos Adams Lawrence, Robert Perkins Letcher, C.S. Morehead, S.S. Nicholas, John S. Pendleton, Winfield Scott, Zachary Taylor, Robert Augustus Toombs, and Robert C. Winthrop.