| Martin, Kurt, Dr. / Badische Kunsthalle, Karlsruhe | Karlsruhe | 5, 30, 74, 76, 99, 123, 126, 142, 183, 198, 253 |
| Montag, Carl | Meudon | 6, 11, 12, 23, 26, 106, 146, 172, 149, 156, 195, 203, 240, 261, 262, 263, 265, 288, 335, 337, 393, 407, 412, 437, 439, 475 |
| Montillet, W., Herr | Genève | 19 |
| Marcks, Gerhard | Berlin | 27, 46, 207 |
| Mauser, Emil | Zürich | 34, 42, 146 |
| Muralt, Carl von | München | 53, 449 |
| Musée d'art et d'histoire, Genf | Genève | 87, 359, 405, 394 |
| Mermod, Henri-Louis | Lausanne | 90 |
| Miller, Werner | Solothurn | 92 |
| Müller, Josef | Solothurn | 94 |
| Miller, Oscar, Dr. | Solothurn | 95 |
| Meyer, Hannes, Prof. | Genève | 95 |
| Moilliet, Louis | Bremgarten bei Bern | 135, 201, 232, 245, 246, 256, 266, 295 |
| Müller, Erich | Schaffhausen | 184, 432 |
| Moilliet-Zaeslin, Margaretha | Basel | 202, 238, 243, 257 |
| Martens, Heinrich | Zürich | 202, 432 |
| Meyer-Fischer, ..., Frau | Neuewelt / Münchenstein | 218 |
| Müller, Heinrich | Basel | 218 |
| Mayenfisch, Hans E., Dr. | Zürich | 244 |
| Musée du jeu de paume | Paris | 255, 461, 491 |
| Martin, Eugène | Genève | 271, 278, 406 |
| Meylan, Marcel | La Chaux-de-Fonds | 286, 435 |
| Museum Boymans | Rotterdam | 302, 319, 324, 404 |
| Moser, Wilfrid | Zürich | 313, 431 |
| Musée des Beaux-Arts et d'Archéologie, Besançon | Besançon | 332, 334, 349, 396, 407, 389 |
| Morgenthaler, Ernst | Zürich-Höngg | 318, 387, 476 |
| Motta, Giuseppe, Dr. Bundespräsident | Bern | 355, 410 |
| Meyer, Franz, Dr. | Zürich | 390 |
| Maag, Albert, Dr. | Zürich | 412 |
| Escholier, Raymond / Musée du Petit Palais, Paris | Paris | 346, 358, 407 |
