Collection
- Mann-Hutchinson Family Correspondence, 1870/19691
- Marshall Family Letters, 1903/19071
- Mason family manuscript account book, 1792/18201
- McKinnon family letters, 1943/19451
- Meadows Heritage Genealogy Records, 1975/19921
- Minnie Kendall Lowther Papers, 1907/19451
- Mount Vernon Black and White Film Collection, 1933/20052