- Marriage records -- South Carolina -- Barnwell County.1
- McCain, James T.1
- McCrory Construction Company1
- McNair, Robert E. (Robert Evander), 1923-2007.1
- Medical College of South Carolina (1952-1969). School of Nursing--Periodicals1
- Medical College of South Carolina (1952-1969). School of Nursing--Students--Yearbooks1
- Medical University of South Carolina--History--20th century1
- Medical University of South Carolina. College of Nursing--History--20th century1
- Military chapels1
- Minutes and proceedings1
- Missionaries--Japan1
- Morris College (Sumter, S.C.)1
- Motels--Atlantic Coast (U.S.)--Directories1
- Motels--South Carolina--Manning--Pictorial works1
- Mount Carmel Baptist Church (Pickens County, S.C.)1
- Mount Zion Baptist Church (Fairfield County, S.C.)1
- Myers III, Peter Evans, 1923-19731
- Myrtle Beach (S.C.)1
- National Assocation for the Advancement of Colored People (NAACP), Fund Raising, Direct Action, Desegregation, Charleston (S.C.), Columbia (S.C.), Florence (S.C.), Camden (S.C.), Greenville (S.C.)1
- Nave, John T.1