Collection
- Papers, 1815, 2010, and undated12
- Ken Carstens, Carstens Family Papers, 1843-[2022] (Scattered), and undated11
- Wise Township (Isabella County, Michigan) Township Records, 1898-193911
- Abel Bingham Family Papers, 1765-1964, and undated10
- Augustus Herbert Gansser Papers, 1891, 1931, and undated10
- Fred Dustin Papers, 1807-1957, and undated10
- Fred R. Trelfa Collection, 1840-1979, and undated10
- Grand Army of the Republic. Billy Cruson Post No. 347 (Breckenridge, Mich.) Organizational records, 1892-1919, and undated10
- Independent Order of Odd Fellows. Millbrook Level Lodge No. 219 (Millbrook, Mich.) Organizational Records, 1893, 2001, and undated10
- Rolland Harper Maybee Papers, 1835, 1970, and undated10
- Herbert F. Boughey Papers, 1896-1934, and undated9
- Jonathan Boyce Collection, 1872, 1956, and undated9
- Morley Brothers (firm: Saginaw, Mich.) Papers, 1833, 2009, undated9
- Nottawa (Isabella County, Mich. : Township) Township records, 1865-2001, and undated9
- Central Michigan University. Office of the President, President Eugene C. Warriner Papers, 1882, 2002, and undated8
- Della T. Lutes Papers, 1882-1985, and undated8
- Ella V. Powers Collection, 1865-1969, and undated8
- Hemingway Family Papers, 1861, 2006, and undated8
- R. Perry Shorts Papers, 1914-1975, and undated8
- Shelley Dumas Family papers, 1872-2023 (Scattered), and undated8