Names
- Landon, Alfred M. (Alfred Mossman), 1887-1987.1
- Langenheim, Frederick, 1809-1879.1
- Lawrence, Abbott, 1792-1855--Portraits.1
- Leviathan (Steamship)1
- Lewis, John Llewellyn, 1880-19691
- Lewis, John Llewellyn, 1880-1969.1
- Lewis, William A.1
- Lubin, Isador, 1896-1
- Lubin, Isador, 1896-1978.1
- Maine (Battleship No. 10)1
- Manhattan Project (U.S.)1
- Marconi, Guglielmo, 1874-1937--Portraits.1
- Marshall, George C. (George Catlett), 1880-19591
- Marshall, George C. (George Catlett), 1880-1959.1
- Martin, Joseph William, 1884-1968.1
- Mather, John A. (John Aked), 1829-1915.1
- McLaughlin, James Campbell, 1858-19321
- McLaughlin, James Campbell, 1858-1932.1
- Meigs, Montgomery, 1847-1931.1
- Michigan. Legislature.1