on verso, signed by artist, center in graphite: Frederick Sommer 1955; upper center in graphite inverted: Q; on verso of original mat, by unknown hand, upper center in graphite: Top; lower left: Plate #72; lower center: TL#9060
The artist, Prescott, Arizona; gift to NGA, 1995.
- Sommer: Images. Tucson, Arizona, 1984, illus. pl.73.