Collection
- Louis D. Belcher papers, 1968, 1976-19851
- Lucy E. Chapin papers, 1834-19101
- Lurie Terrace records, 1961-20101
- Lutheran Church in America, Michigan Synod records, 1917-19871
- Lynn W. Eley papers, 1958-19631
- Michigan Daily records, 1950-20061
- Michigan Peaceworks records, 2001-20111
- Michigan Visiting Nurses records, 1896-20101
- Milton Kemnitz Papers, 1932-1995 (majority within 1960-1990)1
- Morgan Family Papers, 1821-18931
- Mortimer E. Cooley Papers, 1873-19441
- Muehlig Funeral Chapel records, 1846-1867, 1882-1995 (majority within 1882-1916)1
- Mullett Family papers, 1665-1924 (majority within 1825-1924)1
- Natural Resources of Michigan Web Archive, 2010-20141
- Neil Staebler papers, 1944-19921
- Netherlands America University League records, 1976-19991
- News and Information Services (University of Michigan) photographs, 1946-20061
- Old West Side Association records, 1966-19781
- Order of Pythian Sisters. Huron-Arbor Temple no. 66 (Ypsilanti, Mich.) records, 1903-19901
- Pattengill Family papers, 1767-19631