- Keithley, E. Clinton, 1880-1955 1
- Keithley, E. Clinton, 1880-1955 1
- Kellogg, Paul 1
- Kelly, M. F. (Michael F.), approximately 1882-1916 1
- Kissell, Harry F. 1
- Klay, George H. 1
- Klickmann, F. Henri (Frank Henri), 1885-19661
- Lange, Arthur, 1889-1956 1
- Lange, Arthur, 1889-1956 1
- Lauder, Harry, Sir, 1870-1950 1
- Leventhal, Phil.1
- Lewis, Seneca G. (Seneca Greene), 1872- 1
- Littlefield, A. C. 1
- Lowe, Francis J. 1
- MacDonald, C. W. 1
- MacPherson, Duncan E. 1
- Manning, R. W. 1
- Martin, John1
- McCarron, Chas. R (Charles R.), 1891-1919 1
- McCollum, E. E.1