- Mackey1
- Magicians--United States--20th century1
- McCollough, West1
- McCoy, F. R.1
- McDougal1
- McIlwain, W.C.1
- McLendon, Jno, J1
- McMurrey, George1
- Mecklenburg County (N.C.)--Maps1
- Medical College of the State of South Carolina--Dissertations1
- Meetings1
- Memorials--South Carolina.1
- Military railroads--South Carolina--Maps1
- Military railroads--United States--Maps1
- Mills, R.1
- Mizell, M. Hayes1
- Montgomery, J.H.1
- Moore, Chahuens1
- Mount Carmel A.M.E. Church (Lancaster County, S.C.)1
- Mt. Moriah A.M.E. Zion Church (Lancaster County, S.C.)1