Courtesy of The Kreeger Museum, Washington, DC
Baden-Baden, Museum Frieder Burda
Nationalgalerie, SMB / Jörg P. Anders
Courtesy Galerie Thomas, München
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Museum Folkwang Essen / ARTOTHEK
Cleveland Museum of Art. Gift of Mrs. Henry White Cannon by exchange 2013.7
Saint Louis Art Museum, Bequest of Morton D. May 868:1983