Creator
- Martin, Ben, 1996-1
- Martin, Daniel Strobel, 1842-19251
- Martin, W. R.1
- Mayfield, Wil, 1988-1
- McCain, James T.1
- McDonald, Walter1
- McDuffie, Sara1
- McKay, Julius Walker, 1923-20181
- McMillan, Tommye Martin1
- McNamee, Win1
- Medical University of South Carolina. Board of Trustees1
- Merritt, James H., 1775-18311
- Middleton, Laura L.1
- Monk, Anne Trainer1
- Morant, Louis R.1
- Morse, Theodore F., 1873-1924 (composer)1
- Mr. Butler of Santee1
- Murray, Rosa1
- NBC News (Firm)1
- Norris, Mamie C.1