The Clark, W.A. mss., 1862-1918, consists primarily of letters from Hoosier soldier William Allen Clark, 1844- , to his parents in Rossville, Indiana, during his service in Company K of the 72nd Indiana Volunteer Infantry Regiment.
The Hill mss., 1851-1914, consist mainly of letters and papers of James Nathaniel Hill, 1833-1902, farmer of Owen County, Indiana, and Civil War soldier.
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 Indiana History mss., 1725-1973, consists of individual items related to the history of the state of Indiana, acquired separately either as a gift, purchase, transfer, or removal from a variety of sources.