The Colfax mss., 1853-1884, consists of the papers of South Bend, Indiana, newspaperman, speaker of the House of Representatives, and vice-president of the United States Schuyler Colfax, 1823-1885.
The Cleghorn mss., 1826-1893, consists of correspondence and papers of Indian trader William W. Cleghorn, 1815-1878, and material pertaining to his estate.
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.