- Machine shops1
- Machinery1
- Mailboxes1
- Malaria1
- Maps1
- Marciano, Rocky, 1923-19691
- Markets1
- Martin, Billie1
- Mascots1
- Matthews, John Wesley, Jr., 1940-1
- McCain, James T.1
- McKay, Julius Walker, 1923-20181
- McNair, Robert E. (Robert Evander), 1923-20071
- Meat industry and trade1
- Melvin Park (Chapin, SC)1
- Methodist Episcopal Church1
- Methodist Episcopal Church, South. South Carolina1
- Methodist church buildings1
- Middleburg Cotton Mill (Batesburg-Leesville, SC)1
- Military bases--South Carolina--Photographs.1