Collection
- Daughters of the American Revolution. Isabella Chapter (Mount Pleasant, Mich.) Organizational records, 1800, 2012, and undated7
- George H. Carpenter Family Papers, 1892-1937, and undated7
- Harriet M. Huebel Family Papers, 1895, 1967, and undated7
- Nellie May Davis Finley Family Papers, 1881-1978, and undated7
- Papers, 1814-1958, and undated7
- Automobile Collection, 1900-1991, and Undated6
- Central Michigan University. Athletics Organizational Records, 1896-2019, and undated6
- Chandler (Mich. : Township) School District Records, 1878-1940, and undated6
- 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
- Organizational records, 1894, 2023, and undated6
- Trelfa Photographic Collection, 1886-1920, 1886-19206
- Vernon (Isabella County, Mich. : Township) Township records, 1868, 1969, and undated6
- Amasa B. (Amasa Brown) Watson Family Papers, 1854-19325
- Amos Gould Family Papers, 1828, 1936, and undated5
- Collet Family Papers, 1840, 1936, and undated5
- Elden L. Brigham Collection, 1883-1992, and undated5
- Fred R. Trelfa Photograph Collection, circa 1860-1961, and undated5
- Grand Army of the Republic. G. K. Warren Post No. 63 (East Tawas, Mich.) Organizational records, 1888-1924, and undated5
- Parkhill Family Papers, 1875-1979, and undated5