| Owner | Count | 1.
| Monday Club, | 1 | 2.
| Mondovi High School, Mondovi, Wisconsin | 1 | 3.
| Mondschein, A. F., | 1 | 4.
| Mones, Arthur, Mr. & Mrs., | 1 | 5.
| Monessen Public Library & District Center, Monessen, Pennsylvania | 1 | 6.
| Monger, Lori, | 1 | 7.
| Mongerson Fine American Art, Chicago, Illinois | 5 | 8.
| Mongerson Wunderlich Galleries, Chicago, Illinois | 2 | 9.
| Monhegan Museum, Monhegan Island, Maine | 85 | 10.
| Monica, Joseph, Mr. & Mrs., New York, New York | 1 |
|