Correspondence, Senate and House reports and documents, remarks, speeches, invitations, newspaper clippings, pamphlets, and scrapbooks, chiefly 1854-1898, relating principally to Morrill's congressional career, especially the Morrill Tariff Act of 1861 and the original Land Grant College Act, and his positions on many Reconstruction issues. Correspondents include James Gillespie Blaine, Salmon P. Chase, L. E. Chittenden, Schuyler Colfax, Charles Dewey, Hamilton Fish, Horace Greeley, Jedidiah H. Harris, Charles Marsh, George Ward Nichols, Carroll Smalley Page, Henry Stephens Randall, A. N. Swain, Stephen Thomas, Adin B. Underwood, and Joseph Wharton.