Creator
- M. P. S., Miss.1
- Mackall, William W. (William Whann), 1817-18911
- Maguire, Thomas1
- Manahan, Thomas, 1827 or 1828-1
- Mangum, A. W. (Adolphus Williamson), 1834-1890.1
- Manley, Joseph W.1
- Manning, Samuel1
- Marcum, E. W.1
- Marshall, Michael1
- Martyn1
- Massachusetts Prison Association.1
- McCabe, James D., 1842-1883.1
- McConnoly[?], M.1
- McCord, James A.1
- McKinney, Chris C.1
- McKinney, David1
- McTier, John H.1
- Mead, Edwin D. (Edwin Doak), 1849-1937.1
- Meade Bros.1
- Mickle, William English, 1846-19201