Museums
| Name | Country | State | City | Updated by
  | Date |
|---|---|---|---|---|---|
| Mattatuck Museum | USA | CT | Waterbury | Anonymous | 09/24/2012 |
| McColl Fine Art | USA | NC | Charlotte | Anonymous | 09/24/2012 |
| McCord Museum | Canada | QC | Montreal | Anonymous | 08/27/2012 |
| McDonald Gallery | USA | D.C. | Washington | Anonymous | 09/24/2012 |
| McDougal Fine Art | USA | MA | Gloucester | Anonymous | 09/24/2012 |
| McMahan, Virgil E. & Robert H. Laible | USA | D.C. | Washington | Anonymous | 02/10/2012 |
| McMullen Museum of Art at Boston College | USA | MA | Chestnut Hill | Anonymous | 09/24/2012 |
| Memorial Art Gallery of the University of Rochester | USA | NY | Rochester | Anonymous | 12/26/2012 |
| Memorial Hall--W. P. Wilstach Coll. | USA | PA | Philadelphia | Anonymous | 02/10/2012 |
| Memphis Brooks Museum of Art | USA | TN | Memphis | Anonymous | 09/24/2012 |
