lower right in graphite: Harry Callahan; all by later hands: upper left verso in graphite: 17D / L24 E7; lower right verso in graphite: #17
Mr. and Mrs. David C. Ruttenberg, Chicago, IL; gift to NGA, 2002.
- Harry Callahan, National Gallery of Art, Washington; Philadelphia Museum of Art; High Museum of Art, Atlanta; Museum of Contemporary Art, Chicago, 1996-1997.
- Harry Callahan: Color 1941-1980. Providence [Rhode Island], 1980: p. 13.
- Greenough 1996, p. 117.