Names
- Lodge, Henry Cabot, 1850-1924.1
- Longman (Firm)1
- Loud, Edward F.1
- Loud, George Alvin, 1852-1925.1
- Lovejoy, P. S., 1884-1942.1
- Lucas, Henry Stephen, 1889-1961.1
- Luce, Cyrus Gray, 1824-1905.1
- Mackenzie, William Dexter, 1873-1960.1
- Macmillan Company.1
- Malcolm, George A. (George Arthur), 1881-19611
- Malcolm, George A. (George Arthur), 1881-1961.1
- Mantle, Lee, 1851-1934.1
- Marion L. Burton1
- Mark Foote1
- Marsh, Pliny W., 1876-1
- Martin J. Cavanaugh1
- Mary Stowell Sligh1
- Mather, Stephen Tyng, 1867-1930.1
- McClure, Harry H.1
- McGill, Charles William, 1865-1