lower left in graphite: 16/XX; lower right in graphite: Drewes; lower left corner in graphite: to J. Kainen
Jacob Kainen, Washington, D.C.; gift to NGA, 2002.
- Rose, Ingrid. Werner Drewes, A Catalogue Raisonné of his Prints. Munich and New York: Verlag Kunstgalerie Esslingen, c. 1984, vol. III, 366.