The Dearborn County, Ind. mss., 1826-1871, consists of nine volumes of court dockets and miscellaneous papers related to the history of Dearborn County, Indiana.
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 Hadley, J. mss., 1823-1891, consists of notes written by farmer Joshua B. Hadley, 1808-1831, and items related to the work of teacher Bertha Wiley Hadley, 1866-1944.
The Indiana Sesquicentennial mss., 1786-1967, consists of photocopies or microfilm copies of manuscripts collected throughout Indiana relating to the state's 150 years of historical development.
The Scott mss., 1817-1937, consists of the papers of Emmet Hoyt Scott, 1842-1924, businessman and mayor of LaPorte, Indiana, his father, Wiley Huntington Scott, 1796-1872, farmer and hotelkeeper of Nineveh, New York, and his son, Emmet Scott, 1873-1937.