on mount, center verso in graphite: Frederick Sommer 1947 (underlined); by later hand, on mount, upper right verso in graphite: FS.069
The artist, Prescott, Arizona; gift to NGA, 1995.
- Venus, Jupiter & Mars: The Photographs of Frederick Sommer. Exh. cat., Delaware Art Museum, Wilmington, Delaware, 1980: no. 30, illus. pl. 7.