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 W.H. Harrison mss. II, 1794-1834, consists of letters and papers, of William Henry Harrison, 1773-1841, territorial governor of Indiana and ninth president of the United States.
The Lane, H.S. mss. II, 1858-1871, consist of letters and documents from various people to Indiana politician and U.S. Senator Henry Smith Lane, 1811-1881.
The Korbly mss., 1910-1921, are letters to Charles Alexander Korbly, 1871-1937, congressman from Indiana, 1909-1915, and member of the House committee on banking and currency, 1911-1915.
The Courvoisier mss., 1861-1867, consists of the official papers of postmaster of Vevay, Indiana, and treasurer of Switzerland County, Indiana Frederick L. Courvoisier, 1832?-.