lower right in graphite: Felix Hollenberg; lower left in graphite: 68 ** / **
(Martin Sumers Graphics, New York); Ruth Kainen, Washington, D.C., purchased April 25, 1978; Gift to NGA, 2012.
- Modern German Prints and Drawings from the Kainen Collection, National Gallery of Art, Washington, DC, 2014.
- Schahl, Adolf. Felix Hollenberg: Das graphische Werk. Munich, 1968: no. 68 CHECK ILL