lower right in graphite: Marin; center verso watercolor sketch crossed out in graphite: other side; in later hand, upper center verso in ink stamp: 48; all by later hand; uCv in graphite: Downtown New York / Circa 1925 W.C. Dwg. / 8 3/4 x 7 NMC; uRv//in ballpoint pen and crossed
- Reich, Sheldon. John Marin: A Stylistic Analysis and Catalogue Raisonne. 2 vols. Tucson, Arizona, 1970: no. 25.28.
- Fine, Ruth E. John Marin. Exh. cat. National Gallery of Art, Washington. Washington and New York, 1990:, pl.132, p.143.