lower right in graphite: R Morris / 69
Corcoran Gallery of Art, Washington, DC, 1969; acquired 2015 by the National Gallery of Art
- Redefined: Modern and Contemporary Art from the Collection, Corcoran Gallery of Art, Washington, DC, 2006
- Materializing "Six Years": Lucy R. Lippard and the Emergence of Conceptual Art, Brooklyn Museum, New York, 2012
- Simmons, Linda Crocker and with the assistance of Adrianne J. Humphrey, et al. American Drawings, Watercolors, Pastels, and Collages in the Collection of the Corcoran Gallery of Art. Washington, DC: Corcoran Gallery of Art, 1983: p. 243, no. 1619.