- McKay, Julius Walker, 1923-20182
- McMillan, Tommye Martin1
- McNair, Ronald E., 1950-19861
- Miller, Ruth Crary, 1898-19931
- Monteith, Martha C., 1921-20191
- Musicians2
- National Association for the Advancement of Colored People. South Carolina State Conference3
- Nurses1
- Orangeburg (S.C.)1
- Orangeburg Massacre, Orangeburg, S.C., 19681
- Painters1
- Palmer, E. Perry (Edmund Perry), 1935-20101
- Patel, Adrienne Jenkins, 1947-1
- Peace movements2
- Pearson, Robert, 1956-1
- Pinner, Joe1
- Politicians1
- Puerto Rican families2
- Ratsimbaharison, Danielle, 1961-1
- Reporters and reporting1