lower right in graphite: Edward Hopper; lower left edge in graphite by unknown hand: The Locomotive $30.; lower right verso in graphite by unknown hand: PMA
(Hirschl & Adler Galleries, New York); acquired 2006 by the National Gallery of Art
- Levin, Gail. Edward Hopper: The Complete Prints. New York: W.W. Norton & Company, 1979, no. 100.