Names
- King, Clyde Lyndon, 1879-1937.1
- Knappen, Loyal Edwin, 1854-1930.1
- Knox, Frank, 1874-1944.1
- Knudsen, William S., 1879-1948.1
- Kraus, Edward Henry, 1875-1
- Kraus, Edward Henry, 1875-1973.1
- Landers, Ann1
- Landers, Ann.1
- Lane, Robert Porter, 1891-1953.1
- Langer, William L. (William Leonard), 1896-1977.1
- Larson, Laurence Marcellus, 1868-1938.1
- Latane, John Holladay, 1869-1932.1
- LeRoy, James A. (James Alfred), 1875-1909.1
- Lee, James M.1
- Leland, Frank Bruce.1
- Ling, Louis.1
- Lloyd, Alfred H. (Alfred Henry), 1864-1927.1
- Lodge, Henry Cabot, 1850-1924.1
- Longman (Firm)1
- Loud, Edward F.1