lower right in graphite: Marin 52; all by later hand, upper left verso in graphite: NO SR / (Sunset 1) / 1952 / 8 7/8 x 11 5/8; upper right verso in graphite: NBM 5/11/84
- Art for the Nation: Gifts in Honor of the 50th Anniversary of the National Gallery of Art, National Gallery of Art, Washington, D.C., 1991, 400-401, color repro.
- Reich, Sheldon. John Marin: A Stylistic Analysis and Catalogue Raisonné. 2 vols. Tucson: University of Arizona Press, 1970.