Names
- Loud, George Alvin, 1852-1925.1
- Lovejoy, P. S., 1884-1942.1
- Lucas, Henry Stephen, 1889-1961.1
- Mackenzie, William Dexter, 1873-1960.1
- Macmillan Company.1
- Malcolm, George A. (George Arthur), 1881-19611
- Malcolm, George A. (George Arthur), 1881-1961.1
- McClure, Harry H.1
- McGregor, Tracy William, 1869-1936.1
- McLaren, Walter Wallace.1
- McLaughlin, Andrew Cunningham, 1861-1947.1
- Meany, Edmond S. (Edmond Stephen), 1862-1935.1
- Miller, Edwin Lillie, 1868-1934.1
- Millspaugh, Arthur Chester, 1883-1955.1
- Moore, Charles, 1855-1942.1
- More, Paul Elmer, 1864-1937.1
- Morison, Samuel Eliot, 1887-1976.1
- Muir, Ramsay, 1872-1941.1
- Murfin, James Orin, 1875-1940.1
- Myers, Albert Cook, 1874-1960.1