- Mental health--South Carolina--Societies, etc.1
- Mental health--South Carolina.1
- Methodist Episcopal Church of the South -- South Carolina -- Clarendon County1
- Methodist church buildings--South Carolina--Turbeville--Pictorial works1
- Military railroads--South Carolina--Maps1
- Military railroads--United States--Maps1
- Millwood Chapel (W. Manning, S.C.)1
- Mirins, Robert--Pictorial works1
- Miss America Pageant1
- Mizell, M. Hayes1
- Montgomery, Eugene A.R.--Correspondence1
- Montgomery, Eugene--Pictorial works1
- Morris College (Sumter, S.C.)1
- Mother Church Free Will Baptist (SE Turbeville, S.C.)1
- Moultrie, Lake (S.C.)--Maps1
- Mt. Carmel (Manning, S.C.)1
- Mt. Chapel Baptist (N. Jordan, S.C.)1
- Mt. Hope Pentecostal Holiness (Silver, S.C.)1
- Mt. Mark's A.M.E. (Summerton, S.C.)1
- Mt. Moriah (N. Flowden, S.C.)1