Names
- Lowengrub, Mort2
- Lowengrub, Morton1
- Luhrs, H. Ernst.1
- Lund, Barbara, 1964-1
- Lundblad, Barbara K., 1944-1
- Lundin, C. Leonard1
- Lundy, Mary Ann Weese, 1933-1
- Lutheran Church-Missouri Synod1
- Lynch, William Orlando1
- Lyons, Robert1
- MIT1
- MTV1
- MacArthur, Arthur, 1845-1912.1
- MacArthur, Douglas, 1880-1964.1
- MacArthur, Jean Faircloth.1
- MacGregor and Company.1
- Madison, James, 1751-18361
- Mahle, Katherine Austin, 1945-1
- Mahon, Maureen1
- Manistique and Lake Superior Railroad Company.1