The Hunter mss., 1862-1893, consists of the Civil War documents of Morton Craig Hunter, 1825-1896, brevet brigadier general and congressman from Indiana.
The Cravens mss., 1850-1872, consists of the correspondence and papers of farmer, soldier, Indiana legislator, and U.S. congressman James Addison Cravens, 1818-1893.
The Thompson mss., 1837-1899, are letters and papers of Richard Wigginton Thompson, 1809-1900, lawyer, judge, Indiana state legislator, U.S. congressman, U.S. secretary of navy.
The Lane, H.S. mss., 1828-1909, consist of letters and papers of Henry Smith Lane, 1811-1881, governor of Indiana, member of the U.S. House of Representatives, and U.S. senator.