2007 Christie's Images Limited
Archiv Eigentümer(in) / Owner's archive
Archiv Eigentümer(in) / Owner's archive
Courtesy Hauser & Wirth Collection Services
Courtesy Beck & Eggeling, Düsseldorf
Rheinisches Bildarchiv Köln: Schlier, Britta, 11..2.31.0 - rba_d039975
Kunstpalast - ARTOTHEK
Detroit Institute of Arts
Courtesy Galerie Thomas, München
Saint Louis Art Museum, Bequest of Morton D. May 863:1983