all on mount: upper left verso, in graphite: Exhibition 1923 / VII; by later hand, lower left verso, in graphite: 28C
Georgia O'Keeffe; gift to NGA, 1949.
- Alfred Stieglitz: the Lake George Years, Art Gallery of New South Wales, Sydney, 2010, unnumbered catalogue.
- Inventing Abstraction, 1910-1925. How a Radical Idea Changed Modern Art., The Museum of Modern Art, New York, 2012 - 2013, unnumbered catalogue.
- Greenough 2002, cat. 799.