all on mount: upper left verso, in graphite: A+1; by Georgia O'Keeffe, lower left verso, in graphite: OK 41B
Georgia O'Keeffe; gift to NGA, 1980.
- Greenough/Hamilton 1983, no. 96, illus. cover.
- In Light of the Past: Celebrating Twenty-Five Years of Collecting Photographs at the National Gallery of Art, Washington, DC, May 3 – July 26, 2015
- Greenough/Hamilton 1983, illus. cover.