(Hirschl & Adler Galleries, Inc., New York); purchased May 1984 by Edward R. Broida, Los Angeles; gift 2005 to NGA.
- [exhibition], Paula Cooper Gallery, New York, 1971.
- Christopher Wilmarth: Layers. Works from 1961-1984, Hirschl & Adler Modern, New York, 1984, no. 8.
- Christopher Wilmarth, The Arts Club of Chicago, 2001.
- Selections from the Collection of Edward R. Broida, National Gallery of Art, Washington, D.C., 2006, unnumbered brochure, fig. g.