Collection
- Ardith Westie Family papers, 1931-2018, and undated7
- Charles F. Ruggles Business Records, 1856-1941, and undated7
- Frances D. Huntington Family papers, 1832-1991, and undated7
- Jonathan Boyce Collection, 1872, 1956, and undated7
- Walter P. Nickell Papers, 1922-1995, and undated7
- Ada T. H. (Ada Tower Heath) Owsley Collection, 1856-1960, and undated6
- Black Legion collection, 1936-1945, and undated6
- Central Michigan University. Information Services Organizational Records Collection, 1905-20086
- D. H. Day Family Papers, 1860, 2009, and undated6
- Dr. Charles E. and Jeri Baron Feltner Great Lakes Maritime History Collection, 1978, 2018, and undated6
- Michigan Business Education Association (MBEA) John M. Tyrtten Archives, Organizational records, 1936-2016, and undated6
- Michigan Consolidated Gas Company Collection, 1930-19556
- Robert B. Knott Papers, 1884, 1985, and undated6
- Rolland Harper Maybee Papers, 1835, 1970, and undated6
- Boy Scouts of America. Lake Huron Area Council Organizational papers, 1917-1976, and undated5
- Central Michigan University. Panhellenic Council Organizational records, 1929, 19635
- Luedtke Engineering Company (Frankfort, Mich.) Organizational Records, 1932-20205
- Michigan Mining Industries Collection, 1845-19905
- Morley Brothers (firm: Saginaw, Mich.) Papers, 1833, 2009, undated5
- Norman E. (Norman Ellsworth) Clarke Collection, 1857-2000, undated5