Names
- Independence Hall (Philadelphia, Pa.)1
- Kelly, Harry F. (Harry Francis), 1895-19711
- Kelly, Harry F. (Harry Francis), 1895-1971.1
- Keystone View Company.1
- Knox, Frank, 1874-19441
- Knox, Frank, 1874-1944.1
- Landon, Alfred M. (Alfred Mossman), 1887-19871
- Landon, Alfred M. (Alfred Mossman), 1887-1987.1
- 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
- Marshall, George C. (George Catlett), 1880-19591
- Marshall, George C. (George Catlett), 1880-1959.1
- Martin, Joseph William, 1884-1968.1
- McLaughlin, James Campbell, 1858-19321