upper right on stone: 71; lower left on stone: Biddle 1932; lower right in graphite: George Biddle
The artist, Croton-on-Hudson, NY; Corcoran Gallery of Art, Washington, DC, 1957; acquired 2015 by the National Gallery of Art
- Pennigar, Martha. The Graphic Work of George Biddle, with Catalogue Raisonné. Washington, DC: Corcoran Gallery of Art, 1979, pp. 26-27, no. 105.