- Mantle, Mickey, 1931-19951
- Marion, Lake (S.C.)--Maps1
- Mark, Albertus1
- Marketing31
- Marriage1
- Martin Luther King, Jr. and the Civil Rights Movement1
- Martin, Carrie D.--Correspondence1
- Mason, Charles T., 1855-19284
- Mayesville (S.C.) -- Religious Life and Customs10
- Mayesville (S.C.)--Maps1
- Mayesville Baptist (Mayesville, S.C.)1
- Mayesville Institute (Mayesville, S.C.)--Alumni and alumnae--Interviews.1
- McCain, James T.55
- McDuffie, Mildred, 1934---Interviews.1
- McFadden, H.1
- McLeod's Chapel Methodist Episcopal (Rembert, S.C.)1
- McMain, James T.2
- Medical College of the State of South Carolina1
- Medical College of the State of South Carolina--Dissertations4
- Medical climatology1