Museums
| Name | Country | State | City | Updated by | Date |
|---|---|---|---|---|---|
| Maryland Historical Society | USA | MD | Baltimore | Anonymous | 09/20/2012 |
| Maryland State Archives | USA | MD | Annapolis | Anonymous | 09/20/2012 |
| 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 |
Artists
| Name | Info | Years | Updated by | Date |
|---|---|---|---|---|
| Coffin, William Anderson | 1855 - 1925 | Anonymous | 05/15/2012 | |
| Coolidge, Cassius Marcellus | 1844 - 1934 | Anonymous | 05/15/2012 | |
| Cooper, Astley David Middleton | 1856 - 1924 | Anonymous | 05/15/2012 | |
| Craig, Charles | 1846 - 1931 | Anonymous | 05/15/2012 | |
| Cranch, Caroline Amelia | 1853 - 1931 | Anonymous | 05/15/2012 | |
| Daingerfield, Elliott | 1859 - 1932 | Anonymous | 05/15/2012 | |
| Dana, William Parsons Winchester | 1833 - 1927 | Anonymous | 05/15/2012 | |
| Dannat, William Turner | 1853 - 1929 | Anonymous | 05/15/2012 | |
| Desch, Frank H. | 1873 - 1934 | Anonymous | 11/18/2012 | |
| Dewey, Charles Melville | 1849 - 1937 | Anonymous | 05/15/2012 |
