all inscriptions by John Marin, Jr., upper right verso in pen: Not Cat. SR / 8 3/8 x 11 Student Work [scratched over] / Untitled "Sunset" / Possibly Painted / in 1949; uRv//in graphite: 1970; uCv//in graphite: NBM 2/3/84
- Reich, Sheldon. John Marin: A Stylistic Analysis and Catalogue Raisonne. 2 vols. Tucson: University of Arizona Press, 1970.