Names
- Knight, George W. (George Wells), 1858-1932.1
- Koch, Theodore Wesley, 1871-1941.1
- Ku Klux Klan (1915-)1
- Labadie, Joseph1
- Lagonda Western Railway Company.1
- Lansing, Robert, 1864-1928.1
- Lathrop, Julia Clifford, 1858-1932.1
- Laughlin, J. Laurence (James Laurence), 1850-1933.1
- Lawton, Charles De Witt, 1835-1909.1
- League to Enforce Peace.1
- Lehigh Valley Railroad.1
- Leland, Frank1
- Leland, Frank Bruce.1
- Lewis, David J. (David John), 1869-1952.1
- Little, Clarence C. (Clarence Cook), 1888-1
- Little, Clarence Cook, 18881
- Louisiana & Pacific Railway Company.1
- Louisiana Western Railroad Company.1
- Louisiana and Texas Railroad and Steamship Company.1
- Louisville and Nashville Railroad Company.1