below image, at right, in graphite: Emil Nolde; below image, at left, in graphite: IV/20
(Allan Frumkin Gallery, Inc., Chicago); Ruth Kainen, Washington, D.C., purchased December 6, 1973; Gift to NGA, 2012.
- Modern German Prints and Drawings from the Kainen Collection, National Gallery of Art, Washington, DC, 2014.
- Schiefler, Gustav, and C. Mosel. Emil Nolde: das graphische Werk. 2 vols. Cologne, Germany: Verlag M. Du Mont Schauberg, 1966-1967, no. I 135, iv/iv