akg-images 3929242
Düren, Leopold Hoesch Museum. Foto: Aachen, Peter Hinschläger
Courtesy Galerie Thomas, München
Sprengel Museum Hannover / Michael Herling / Aline Gwose
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
London, Marie-Louise von Motesiczky Charitable Trust
Rheinisches Bildarchiv Köln: Schlier, Britta, 11..2.31.0 - rba_d039975
Saint Louis Art Museum, Bequest of Morton D. May 867:1983