- Macrae, Elliott B.2
- Macrae, Elliott B.--Correspondence2
- Manuscripts2
- Markley, Benjamin A. (Benjamin Arthur), 1787-1851--Correspondence2
- Martin, Carrie D.--Correspondence2
- Mathews, John W.--Correspondence2
- Mattheos, Elizabeth2
- Mattheos, Elizabeth--Correspondence2
- McCord, L.B.--Correspondence2
- McCray, John Henry, 1910-1987--Correspondence2
- McElderry, Margaret2
- McElderry, Margaret--Correspondence2
- McGill, Alice2
- McGill, Alice--Correspondence2
- McGovern, George S. (George Stanley), 1922-20122
- Meadowlake2
- Meadowlake, Clark, Roy C.2
- Meadowlake, Columbia (S.C.)2
- Means, R.--Correspondence2
- Medicaid2