signed by artist, lower right on sheet below image in graphite: Harry Callahan; on verso, by unknown hand, upper left in graphite: Harry Callahan; lower center in graphite: 200.0:2.1 untitled Abstraction
Callahan family, Atlanta, GA; gift to NGA, 2011.
- Harry Callahan, National Gallery of Art, Washington; Philadelphia Museum of Art; High Museum of Art, Atlanta; Museum of Contemporary Art, Chicago, 1996-1997.
- Intersections: Photographs and Videos from the National Gallery of Art and the Corcoran Gallery of Art, National Gallery of Art, Washington, 2016 - 2017, unnumbered catalogue.
- Greenough 1996, p. 109.