Creator
- James, George Wharton, 1858-19231
- Keith, J. C. M. (John Charles Malcolm), 1858-19401
- Kimball, Ingalls, 1874-19331
- Kirchmayer, Johannes, 1860-19301
- Lambert, Samuel W. (Samuel Waldron), 1859-19421
- Leete, Louise Grosvenor1
- Lethaby, W. R. (William Richard), 1857-19311
- Léon, Maurice, 1880-1
- Ludlow, William S1
- Macy, Valentine Everit, 1871-19301
- Maginnis, Charles Donagh, 1867-19551
- Manning, Warren H. (Warren Henry), 1860-19381
- Mathews, Charles Thompson, 1863-19341
- Mayers, Murray & Phillip1
- McBee, Silas, 1853-19241
- McClellan, Jessie T1
- Mead, William Rutherford, 1846-19281
- Metcalf, Bryce, 1874-19511
- Meteyard, Thomas Buford, 1865-19281
- Meyer, Henry C. (Henry Coddlington), 1870-1