| Owner | Count | 1.
| M. Knoedler & Co., Inc., New York, New York | 429 | 2.
| M. Newman, Ltd., London, England | 1 | 3.
| M. R. Schweitzer Galleries, New York, New York | 15 | 4.
| M.S. 45, Bronx, New York | 1 | 5.
| M.S.A. Consulting Engineers, St. Paul, Minnesota | 1 | 6.
| M. S. Hershey Foundation, Hershey, Pennsylvania | 1 | 7.
| M. Schorsch, Inc., Greenwich, Connecticut | 11 | 8.
| Maag, Joseph, Mrs, Fullerton, California | 2 | 9.
| Mabry Hall, Santa Fe, New Mexico | 1 | 10.
| Mabry, Thomas, Mrs, Stockbridge, Massachusetts | 1 |
|