Creator
- Medovich, Harry1
- Meisenbach Riffarth & Company18
- Meitner, Lise, 1878-19681
- Mekhon Ṿaitsman le-madaʻ3
- Menshutkin, Nikolaĭ, 1842-19071
- Metallbank und Metallurgische Gesellschaft2
- Metropolitan Life Insurance Company3
- Meyer, Hans, 1858-19291
- Meyer, Herbert1
- Meyer, Kurt Heinrich, 1883-19523
- Meyer, Richard Emil, 1846-19263
- Meyerhoffer, Wihelm, 1864-19061
- Michaelis, Leonor, 1875-19491
- Miller, Oskar von, 1855-19341
- Mittasch, Alwin, 1869-19537
- Mosca, Claudius1
- Mukhopadhyaya, J.1
- Munro, L. A.1
- Münchner Illustrierte Presse1
- National City Bank of New York1