Principally letters (1817-1842) received by Partridge from students and their parents relating to educational matters at the United States Military Academy, American Literary, Scientific, and Military Academy, and other academies with which Partridge was associated from 1808 to 1850; letters and documents concerning military activities during the War of 1812, a dispute between Sylvanus Thayer and Partridge over control of the United States Military Academy (1808-1817) and other administrative matters there, and Partridge's court martial (1816-1818); a library journal; student rolls; and letters or copies of letters written by Partridge, including several to James Monroe. Correspondents include Edmund Burke, John C. Calhoun, James Gadsden, Hugh Swinton Legaré, Duncan McArthur, J. G. Swift, and Oliver Wolcott.