lower right in graphite: Erich Heckel; by later hand, lower left verso in graphite: Rühende
(Jörg Maass, Berlin); purchased by NGA, 2006.
- Medieval to Modern: Recent Acquisitions of Drawings, Prints, and Illustrated Books, National Gallery of Art, Washington, 2008, no. 142.
- Dube, Annemarie and Wolf-Dieter Dube. Erich Heckel; das graphische Werke. 2 vols. New York: Ernest Rathenau, 1964, 1965.