- M. J. Meyerhoeffer Journals, 1858/18621
- M.H. Ross, Collector, Papers, 1930/19741
- M.H. Ross, Collector, Papers, 1931/19571
- M.H. Ross, Collector, Papers, 1937/19451
- Macon Family Manuscript Volumes, 1782/18881
- Marmaduke Dent Ledgers, 1855/18911
- Marriotte Steele Account Book, 1859/18671
- Marshall-Wythe School of Law Library records, 1973/19801
- Mary Hart Rochelle Land Journal, 1849/18671
- Mary and Hannah Gibbons Papers, 1743/18901
- Mason family manuscript account book, 1792/18201
- Mason-Jackson Labor Council Papers, 1949/19771
- Mathew M. Harrison Account Book, 1846/18561
- Mathews Court House (Va.) Account Books, 1838/18741
- Matthew Read Journal, 1771/17761