Delweddau Diwydiant
Pori artistiaid ‘m’
- MAILE, Ben (1922 - )
- MANCINI, Frederick (1905 - 1990)
- manufacturer unknown
- MARKHAM, Rosemary H.
- MATTHEWS, Harry
- MCCABE, P.M.
- MCCORMICK, Arthur David (1860 - 1943)
- McCorquodale Studio
- MERRIOTT, Jack (1901 - 1968)
- MILES, Arthur
- MILLS
- MOHRMANN, John Henry (1857 - 1916)
- MOORE, F.
- MOORE, J.
- MOORE, William Leslie P. (1913 - 1977)
- MORGAN, Gwyn
- MORGAN, Ivor
- MORGAN, Will
- MORRIS, C. Granville
- MORRIS, William
- MOXON, James
- MURRAY WHATLEY, M. S.
- MUSPRATT DUNMAN, Helen (1907 - 2001)