all on mount: lower right, in graphite: G1; center left, in graphite: Very good; by Georgia O'Keeffe, lower left verso, in graphite: OK 28E
Georgia O'Keeffe; gift to NGA, 1980.
- Georgia O'Keeffe and Abstraction, Whitney Museum of American Art, New York; The Phillips Collection, Washington, 2009 - 2010, no. 148.
- Peters, Sarah Whitaker. Becoming O'Keeffe: The Early Years (New York, 1991), pl. 62.
- Greenough 2002, cat. 492.