Collection
- Morley Brothers (firm: Saginaw, Mich.) Papers, Series 4, Oversized Volumes, 1835, 1967, and undated12
- Charles F. Ruggles Business Records, 1856-1941, and undated11
- Fred Dustin Papers, 1807-1957, and undated11
- Gerrit S. Ward Family Papers, 1820, 1965, and undated11
- Independent Order of Odd Fellows. Millbrook Level Lodge No. 219 (Millbrook, Mich.) Organizational Records, 1893, 2001, and undated11
- Ken Carstens, Carstens Family Papers, 1843-[2022] (Scattered), and undated11
- Abel Bingham Family Papers, 1765-1964, and undated10
- Fred R. Trelfa Collection, 1840-1979, and undated10
- Nottawa (Isabella County, Mich. : Township) Township records, 1865-2001, and undated10
- R. Perry Shorts Papers, 1914-1975, and undated10
- Wise Township (Isabella County, Michigan) Township Records, 1898-193910
- Della T. Lutes Papers, 1882-1985, and undated9
- Rolland Harper Maybee Papers, 1835, 1970, and undated9
- Ella V. Powers Collection, 1865-1969, and undated8
- Jonathan Boyce Collection, 1872, 1956, and undated8
- Joseph Garneau Papers, 1918-19198
- Nellie May Davis Finley Family Papers, 1881-1978, and undated8
- Shelley Dumas Family papers, 1872-2023 (Scattered), and undated8
- Automobile Collection, 1900-1991, and Undated7
- Central Michigan University. Athletics Organizational Records, 1896-2019, and undated7