- Mayer, Flora Steinheimer, 1878-19471
- Mayer, Irving S., 1913-20041
- Mayer, Monroe, Sr., 1871-19571
- McClellanville (S.C.)--Maps1
- McCrorey, Henry Lawrence, 1863-19511
- Medicine--South Carolina--Charleston County--History1
- Memorials1
- Methodist church buildings--South Carolina--Jefferson--Pictorial works1
- Military architecture.1
- Military bases--South Carolina--Columbia1
- Military cadets--New York (State)--West Point1
- Military camps--South Carolina--Columbia1
- Military ceremonies, honors, and salutes.1
- Military education--New York (State)1
- Military funerals.1
- Millwood (S.C.)1
- Minority women--United States--Societies, etc.1
- Monaghan Grammar School (Greenville, S.C.)1
- Monaghan Mill (Greenville, S.C.)1
- Mosques1