- Lauder, Harry, Sir, 1870-1950 1
- Leap, Glenn C. 1
- Leventhal, Phil.1
- Littlefield, A. C. 1
- Lo?hr, Hermann, 1871-1943 (composer)1
- MacDermid, James G., 1875-1960 1
- Maetzold, E. F. 1
- Mahoney, Jack, 1882-1945 1
- Manning, R. W. 1
- Martin, John Z. 1
- Mayo, George Morrow1
- McConnell, Geo. B. (George Burnham), 1894-19821
- McConnell, J. Edwin 1
- McHugh, Jimmy, 1894-19691
- Melville, Gideon1
- Meyer, George W., 1884-1959 1
- Mohr, Halsey K. 1
- Mohr, Halsey K. (composer)1
- Morse, Theodore F., 1873-1924 (composer)1
- Neander, Harold 1