Collection
- Ladies Literary Club, Ypsilanti, Michigan, Records, 1882-20081
- Lawrence N. Steinberg papers, 1936-1969, 19961
- League of Women Voters of Mount Clemens-Clinton Area Records, 1932-19891
- Leroy and Lael Cappaert papers, 1947-20021
- Levi L. Barbour papers, 1857-19261
- Lew Allen Chase papers, 1820-1955 (majority within 1894-1927)1
- Lewis family papers, 1918-1991 (majority within 1930-1960)1
- Lloyd C. Douglas Papers, 1900-19541
- Lorraine Beebe Papers, circa 1920-19811
- Louis A. Cornelius papers, 1910-19511
- Louis A. Weil papers, 1904-19521
- Louis C. Cramton Papers, circa 1865-1966 (majority within 1916-1965)1
- Louis Carlisle Walker papers, 1881-19631
- Lucy E. Chapin papers, 1834-19101
- Ludwig Family Papers, 1838-1985, 20001
- Lyman S. Parks papers, 1962-19771
- Malcolm Keith Hatfield papers, 1930-19611
- Margaret Leutheuser Collected Papers [microform], 1853-19351
- Marguerite Novy Lambert papers, 1910-1920s, 1974-19821
- Marine Hydrodynamics Laboratory (University of Michigan) scrapbook, 19581