Creator
- Lytton, Edward Bulwer Lytton, Baron, 1803-1873.3
- Maduro, I. L.3
- Magee, John L.3
- Major, Georg, 1502-1574.3
- Mardon, Son and Hall.3
- Martin, Ruby G.3
- Martin, S. Walter (Sidney Walter), 1911-20003
- Massachusetts Racial Protection Association.3
- Maxwell (St. Louis, Mo.)3
- McCabe, James D., 1842-1883.3
- McClure, L. Van.3
- Mellen Photo Co. (Chicago, Ill.)3
- Memphis Paper Co. (Memphis, Tenn.)3
- Mickle, William English Jr., 1872-19423
- Miller, Sam.3
- Moore, M. B. (Marinda Branson), 1829-1864.3
- Morris, Beth3
- Moss Photo.3
- Murray, Nickolas.3
- Nassau Advertising Agency.3