Sammlung Würth, Künzelsau. Foto: Volker Naumann, Schönaich
Courtesy Villa Grisebach, Berlin
2004 Christie's Images Limited
Ahlen, Kaldewei Kulturstiftung. Foto: Fotostudio Bartsch, Berlin
Board of the Trustees of the University of Illinois on behalf of its Krannert Art Museum University of Illinois. Purchase through the Festival of Arts Purchase fund 1950-2-1