upper center in graphite: South #1; lower right in graphite: Rockne Krebs / 18 June 73
Daniel and Barbara Fendrick, Chevy Chase, MD; Corcoran Gallery of Art, Washington, DC, 1980; acquired 2015 by the National Gallery of Art
- 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. 255, no. 1685.