all on mount: upper left verso, in graphite: Set C2 No.2; by Georgia OKeeffe, upper left verso, in graphite: 216-B (underlined); by later hand, lower right verso, in graphite: 022
Georgia O'Keeffe; gift to NGA, 1949.
- Bry 1958, no. 63.
- "Visual Music", The Museum of Contemporary Art, Los Angeles; Hirshhorn Museum and Sculpture Garden, Washington, 2005.
- Starstruck: The Fine Art of Astrophotography, Bates College Museum of Art, Lewiston, 2012, no. 93.