Names
- Lesinski, John, 1885-1950.1
- Levin, Saul R.1
- Lewis, John Llewellyn, 1880-1969.1
- Lincoln, Burr, 1880-1937.1
- Long, Edward V. (Edward Vaughn), 1908-1972.1
- Lorch, Emil, 1870-1963.1
- Lowery, Percival C., 1885-1978.1
- Luecke, John, 1889-19521
- Luecke, John, 1889-1952.1
- MacArthur, Jean Faircloth.1
- Mackinac Bridge Authority (Mich.)1
- Maddy, Joseph E. (Joseph Edgar), 1891-1966.1
- Madrigal, Pacita.1
- Mansfield, Mike, 1903-2001.1
- Mapes, Carl Edgar, 1874-1939.1
- Martell, Frank Xavier, 1888-1
- Martin, John B., 1909-1
- Martin, John Butlin, 1909-1
- McAllister, Thomas Francis, 1896-1
- McAllister, Thomas Raymond, 1905-1