Speakes, Vera Jacobs, "Mississippi Portraiture," Laurel, MS: National Society of the Colonial Dames of America in the State of Mississippi and the Lauren Rogers Museum of Art, 1987, pg. 123.
Summary:
Portrait of the three young Harbour sisters, Emily, Mary Dalton (1836-1896), and Ann, with the two older girls standing side-by-side their arms wrapped around each other, and their gazes directed toward the viewer, and the youngest seated in front of them, her gaze directed at the viewer.