lower center verso in graphite: THIS IN PENCIL ROUGH SKETCH WHEN I HAD MY WIFE GERTRUDE / POSE FOR OIL PAINTING, "MODEL RESTING" ABS
the artist, Newton Square, Pennsylvania; Corcoran Gallery of Art, Washington, DC, 1975; 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. 200, no. 1352 (incorrect image, switched with previous entry).