Denver Art Museum Collection: Gift of Rosa Kuschei, 1948.38. Photograph courtesy of the Denver Art Museum
Zürich, Kunsthaus
Sammlung Würth, Künzelsau. Foto: Volker Naumann, Schönaich
2004 Christie's Images Limited
Courtesy Villa Grisebach, Berlin
akg-images 5001601
Courtesy Villa Grisebach, Berlin
Courtesy Thomas Ammann Fine Art AG
akg-images 255092
Sotheby's Deutschland
Saint Louis Art Museum, Bequest of Morton D. May 853:1983
Ahlen, Kaldewei Kulturstiftung. Foto: Camerarts, Inc., New York