Creator
- Macia, Adrian1
- Magoon, Charles Edward, 1861-19201
- Matas, Rudolph, 1860-19571
- Maxcy, Kenneth F. (Kenneth Fuller), 1889-19662
- Mayne, Bruce, 1882-1
- McCaw, Walter D. (Walter Drew), 1863-19391
- Mead, S.C.3
- Moore, H. F. (Henry Frank), 1867-19481
- Moran, John J. (John Joseph), 1876-19507
- Morejos, A.1
- Morris, Josephine Ames1