Kunstpalast - ARTOTHEK
Chicago, Art Institute of Chicago, Joseph Winterbotham Collection, 1988.220© 2018. The Art Institute of Chicago / Art Resource, NY / Scala, Florence
akg-images 3000560
Kunsthalle Mannheim, Foto: Cem Yücetas
Hilti Art Foundation, Schaan, Liechtenstein
Boston, Museum of Fine Arts
Courtesy Thomas Ammann Fine Art AG