Collection
- Frederick F. Kislingbury collection, 1881-1919 (majority within 1881-1891)1
- Friendship and Autograph Album collection, 1826-1944 (majority within 1826-1910)1
- George Washington Merrill photographs, circa 1874-19181
- Henry Bourne Joy Papers, 1883-19371
- Henry Carter Adams Papers, 1864-19241
- James E. Scripps Papers, 1858-19401
- Janette Estelle Miller papers, 1886-19701
- Lamb-Sykes family papers, 1680-1947 (majority within 1819-1911)1
- Levi L. Barbour papers, 1857-19261
- Lewis Cass papers, 1774-19241
- Lucia Isabelle Voorhees Grimes Papers, 1900-19771
- Lucius Lyon papers, 1770-1934 (majority within 1833-1851)1
- Michigan Photographers Society photographs, circa 1880-19251
- Michigan Woman's Christian Temperance Union records, 1874-20061
- Native American collection, 1688-19211
- Netzorg Family papers, late 1880s-2012 (majority within 1938-1998)1
- Orla Benedict Taylor papers, 1831-19431
- Ralph Stone papers, 1882-19561
- Richard Nims papers, 1880s-1990s (majority within 1937-1954)1
- Roy Hinman Holmes papers, 1899-19501