| Preview | Description
  | Artist | Notes |
|---|---|---|---|
 | Meeting House Hill by Wilson Henry Irvine oil on canvas Anonymous Collection (2) Unknown | Irvine, Wilson Henry | |
 | Menemsha, Martha's Vineyard by Jessie Goodwin Preston oil on board Anonymous Collection (2) Unknown | Preston, Jessie Goodwin | |
 | Mercedes by Francis Luis Mora 1909 Anonymous Collection (2) Unknown | Mora, Francis Luis | |
 | Mermaid Beckons by George Willoughby Maynard c.1913 Anonymous Collection (2) Unknown | Maynard, George Willoughby | |
 | Mesa Land Sunset by Fernand Harvey Lungren oil on canvas Anonymous Collection (2) Unknown | Lungren, Fernand Harvey | |
 | Mill with Raging Torrent [Sutter's Mill] by Herman Herzog 1870 Anonymous Collection (2) Unknown | Herzog, Herman | |
 | Minna Sophia Farrar Holding A Hare by Anna Lea Merritt unknown Anonymous Collection (2) Unknown | Merritt, Anna Lea | |
 | Monhegan Bay, Maine by Wilson Henry Irvine c. 1914 Anonymous Collection (2) Unknown | Irvine, Wilson Henry | |
 | Moonlight Over A Marsh In Ecuador by Louis Remy Mignot 1869 Anonymous Collection (2) Unknown | Mignot, Louis Remy | |
 | Morning On Lake George by Homer Dodge Martin oil on canvas Anonymous Collection (2) Unknown | Martin, Homer Dodge |
- Anonymous Collection (2)
