| Long, Marguerite |
| Lorenz, Max |
| Loriod, Yvonne |
| Helletsgruber, Louise; Anday, Rosette; Maikl, Georg; Mayr, Richard (Rückseite) |
| Helletsgruber, Louise; Anday, Rosette; Maikl, Georg; Mayr, Richard und der Wiener Staatsopernchor (Vorderseite) |
| Loyonnet, Paul |
| Ludwig, Leopold |
| Mainardi, Enrico |
| Marchesini, Gaston |
| Klose, Margarete |
| Marinuzzi, Gino |
| Martin, Emile |
| Martin, Frank |
| Martini, Louis |
| Martinon, Jean |
| Mascagni, Pietro |
| Massenet, Jules |
| Matzerath, Otto |
| Meili, Max (Tenor) |
| Meili, M |
| Meili, Max |
| Melichar, Alois |
| Mendelssohn-Bartholdy, Felix |
| Menuhin |