signed by artist, on mount below third image, lower right in graphite: Harry Callahan; on verso, by later hand, upper right in graphite: HC.PT.04
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.
- Greenough 1996, pp. 162-163.