Names
- Longman (Firm)1
- Lorch, Emil, 1870-1963.1
- Loud, Edward F.1
- Loud, George Alvin, 1852-1925.1
- Lovejoy, P. S., 1884-1942.1
- Lucas, Henry Stephen, 1889-1961.1
- Lynch, John David, 1890-1946.1
- MacLeish, Archibald, 1892-1982.1
- Mackenzie, William Dexter, 1873-1960.1
- Mackinac Bridge Authority (Mich.)1
- Macmillan Company.1
- Maddy, Joseph E. (Joseph Edgar), 1891-1966.1
- Malcolm, George A. (George Arthur), 1881-19611
- Mapes, Carl Edgar, 1874-1939.1
- Marshall, George C. (George Catlett), 1880-1959.1
- Marshall, S. L. A. (Samuel Lyman Atwood), 1900-1977.1
- Matthaei, Frederick C. (Frederick Carl), 1892-1973.1
- Maverick, Maury, 1895-1954.1
- McCallum, George P. (George Porterfield), 1871-1952.1
- McClure, Harry H.1