Collection
- Estabrook Woman's Relief Corps records, 1939-19541
- George D. Hill papers, 1843-18761
- George W. Pray Papers, 1844-18901
- George Wahr Sallade papers, 1952-19931
- George Washington Sample papers, 1891-19441
- Henry Wirt Newkirk Papers, 1862-19311
- Huron Valley Girl Scout Council records, circa 1940-19651
- Ivory Photo photograph collection, circa 1927-19711
- James Ritchison Breakey papers, 1860-1969 (majority within circa 1934-1969)1
- Julia Bird Martin papers, 1796-19651
- Labor Party of Washtenaw County records, 1995-19991
- League of Women Voters of the Ann Arbor Area records, 1920-20191
- Lorenzo Davis papers, 1822-18991
- Lucy Ann Smith papers, 1839-18471
- Lucy E. Chapin papers, 1834-19101
- Marguerite Novy Lambert papers, 1910-1920s, 1974-19821
- Michigan Historical Records Survey records, 1936-19421
- Michigan State Grange Records, 1873-20051
- Michigan. Justice of the Peace (Ypsilanti : Township) records, 1874-19101
- Mill Creek Research Council, inc. records, 1960-19881