upper left in graphite: Das leere Café / W. G. 17; lower left in graphite: Gramatté 17; by later hand in graphite, lower right verso: BW 2/ 53
(sale, Villa Grisebach, Berlin, 29 November 2003, no. 547). (Jörg Maass Kunsthandel, Berlin); purchased 2007 by NGA.
- Medieval to Modern: Recent Acquisitions of Drawings, Prints, and Illustrated Books, National Gallery of Art, Washington, 2008, no. 143.