This series documents Mary Fanton Roberts' art-related activities and memberships, as well as friendships with painters, sculptors, photographers, art patrons, art critics, and wives of artists. Folders may contain a variety of material on the subject, including letters, invitations, photographs, artwork, programs, catalogs, news clippings, and other printed material. Topics included in the correspondence range from invitations to art events, thanks for publishing articles in her magazines, accounts of travels abroad, and other general news.

Roberts was friends with many prominent artists from the early twentieth century and a small amount of their correspondence is found here, including Ashcan school artists Robert Henri, John Sloan, George Bellows, and William Glackens. Other correspondence of note is with sculptors George Gray Barnard, Gutzon Borglum, painters Ben Ali Haggin, Leon Kroll, W. Goodridge Roberts, Nicholas Roerich, and Pierre Troubetzkoy, as well as illustrator Oliver Herford. Much of the correspondence is also with the artists' wives. Additional significant correspondence is with Belle da Costa Greene, librarian for J. P. Morgan, and art writer Edward Alden Jewell. Items of note in this series include illustrated cards and letters from Edward Caswell, F. Luis Mora, and Ethel Myers, photographs of Frederic Remington and Bessie Potter Vonnoh, eleven small watercolor American Indian scenes by Edwin Deming, three etchings by John Sloan, and an essay by Gustav Stickley (located in folder). Within each folder, correspondence is arranged before other materials. Additional invitations to art related events can be found in series 7, General Correspondence.