| M | | M., A. |
| M.A.C. |
| MACAULAY, Miss Mary |
| MACKINDER, J. H. |
| MADRIZ DE KONNICK , H. |
| MANNHEIMEIR , Charlotte |
| MARCAULT, Emile |
| MARCAULT, J.-E. |
| MARCEL, G. |
| MARCUCCI, Alessandro |
| MARTENOT, G. |
| MARTENOT, M. et G. |
| MARTIN, Paul |
| MARTINET, Marcel |
| MATSNER-GRUENBERG, Mme Sidonie |
| MAUCOURANT, (Mlle) |
| MAURETTE, M.-TH. |
| MÉDORI, M. Z. |
| MERZ, Albrecht L. |
| MEUDON, Robert |
| MEYHOFFER, Paul |
| MIRSKI, Joseph |
| Miss HARTMAN, Gertrud |
| MONDAIN, G. |
| MONOD, Gustave |
| MONOD HERSEN, G.-E. |
| MONTESSORI, Dottoressa (docteur) Maria |
| MORRIS, Margaret |
| MORY, F |
| MORY, F. |
| Mrs ENSOR, Beatrice |
| MULLER-MAIN, Otto |
