CiltMiscellaneous letters fileYale University Music Library, Quinto Maganini, Heinrich Marschner, Nikolay Karlovich Medtner, Dame Nellie Melba, Lauritz Melchior, Felix Mendelssohn-Bartholdy, Giacomo Meyerbeer, Darius Milhaud, Moritz Moszkowski, Lucien Muratore, Joaquín Nin, Jacques Offenbach, Paul Amadeus Pisk, Charles Ray Palmer, Sergey Prokofiev, Henry Ward Poole, Max Reger, Christian Heinrich Rinck, Olympe Rossini, Dane Rudhyar, Carl Ruggles, Daniel Gregory Mason, Jules Massenet, Victor Maurel, Stephen Adams, Maria Billington Merest, André Messager, Frédéric Mistral, Victor Ernst Nessler, Willem Frederik Gerard Nicolai, Eva Judd O'Meara, John R. Parker, Henry M. Phillips, Quincy Porter, Charles H. Read, Guilio Regondi, Tiarko Richefin, Artur Rubinstein, Joseph Mainzer, Wilhelm Mangold, Lowell Mason, Ignaz Moscheles, Felix Mottl, Wilhelm Adolph Müller, Sigismund Ritter von Neukomm, Claude Joseph Paris, Ebenezer Prout, Karl Ritter, Peter Ritter, Friedrich Rochlitz, Martin Roeder, Bernard Romberg, Gioacchino Rossini, Karl Friedrich Rungenhagen
