Creator
- Missouri Greeting Card Co. (St. Louis, Mo.)1
- Mitchell & Lewis (Westminster, Md.)1
- Mitchell Studios.1
- Mitchell, Stanley P.1
- Mitchell, Walter1
- Mitchem, Eugene E.1
- Mize, T. A.1
- Mize, William J.1
- Mobley, James M.1
- Mockber & Co.1
- Moffett Studio1
- Moffett, Margaret, author1
- Moffett, Margaret, author.1
- Mohawk Products Co. (Memphis, Tenn.)1
- Molaya1
- Molther, Philipp Heinrich, 1714-17801
- Monahan, H. N.1
- Monahan, Odie.1
- Monroe, Gary.1
- Montell Studio (Augusta, Ga.)1