Museums
| Name | Country | State | City | Updated by
  | Date |
|---|---|---|---|---|---|
| Massachusetts Historical Society | USA | MA | Boston | Anonymous | 09/24/2012 |
| Massachusetts State House | USA | MA | Boston | Anonymous | 09/24/2012 |
| Mathaf Gallery | UK | London | Anonymous | 10/09/2012 | |
| 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 |
| Private collection: James W. & Frances G. McGlothlin | USA | Unknown | Anonymous | 10/09/2012 | |
| Private collection: McKinley, Peg, South Mt. Hope | USA | MI | Carson City | Anonymous | 10/09/2012 |
Artists
| Name | Info | Years | Updated by | Date |
|---|---|---|---|---|
| Brush, George de Forest | 1855 - 1941 | Anonymous | 05/18/2012 | |
| Bunce, William Gedney | 1840 - 1916 | Anonymous | 05/18/2012 | |
| Butler, Howard Russell | 1856 - 1934 | Anonymous | 05/18/2012 | |
| Cafferty, James H. | 1819 - 1869 | Anonymous | 05/15/2012 | |
| Carlson, John Fabian | 1875 - 1945 | Anonymous | 10/21/2012 | |
| Coman, Charlotte Buell | 1833 - 1924 | Anonymous | 05/15/2012 | |
| Coolidge, Bertha | 1880 - 1953 | Anonymous | 05/15/2012 | |
| Copestick, Alfred | ca. 1837 - 1859 | Anonymous | 05/15/2012 | |
| Dabo, Leon | 1868 - 1960 | Anonymous | 05/15/2012 | |
| De Luce, Percival | 1849 - 1914 | Anonymous | 05/15/2012 |
