Creator
- Medovich, Harry1
- Meitner, Lise, 1878-19681
- Menshutkin, Nikolaĭ, 1842-19071
- Meyer, Hans, 1858-19291
- Meyer, Herbert1
- Meyerhoffer, Wihelm, 1864-19061
- Michaelis, Leonor, 1875-19491
- Miller, Oskar von, 1855-19341
- Mosca, Claudius1
- Mukhopadhyaya, J.1
- Munro, L. A.1
- Münchner Illustrierte Presse1
- National City Bank of New York1
- Naturhist-Medicin. Verein.1
- Neuberg, Carl, 1877-19561
- Neumann, Bernhard, 1867-19531
- Neumann, Dora1
- Neumann, Henrietta Dora, 1874-19501
- Neumann, Matthias1
- New School for Social Research (New York, N.Y. : 1919-1997)1