Name
- Leutwiler, Toni, correspondent of Boosey and Hawkes Ltd., fl 1958-19611
- Lewiński, Jerzy, Polish jazz musician, fl 19581
- London Bach Group, 1957-19611
- Löffler, Willi, German conductor and composer, 1915-2000, http://viaf.org/viaf/796266141
- M. Kovalsky and Son,, Israeli music dealers, fl 1939-19591
- Mairants, Ivor, classical and jazz guitarist, 1908-19981
- Malmström, of Malmö; music dealers, fl 1956-19591
- Markevitch, Igor, French composer and conductor, 1912-1983, http://isni.org/isni/000000...1
- Matsuo Music Company, of Tokyo, fl 1952-19581
- Mayer, Robert, Knight, music patron, 1879-19851
- Menuhin, Yehudi, Baron Menuhin of Stoke d'Abernon, violinist, 1916-19991
- Mieg, Peter, Swiss composer, 1906-1990, http://isni.org/isni/000000...1
- Minchinton, John, conductor, fl 1940-19611
- Mundy, John, cellist, 1886-19711
- Musička Naklada, music publishing house, of Zagreb, fl 1956-19591
- Müller und Schade, of Bern; Swiss music publishers, 18501
- Philharmonia Orchestra, 1945-1
- Pianohaus Jecklin, music dealers of Zürich, fl 1947-19511
- Sven Larssons, music publishers of Norway, fl 1956-19581
- Werfel, Alma Margaretha Maria, née Schindler, composer, writer, editor, socialite and wife of Gustav Mahler and of Walter Gropius, 1879-19641