Courtesy Metropolitan Museum, New York (Sabine Rewald)

Museum Folkwang Essen / ARTOTHEK

Courtesy Galerie Schwarzer, Düsseldorf

Hilti Art Foundation, Schaan, Liechtenstein

Courtesy Galerie Thomas, München

Collection of Phoenix Art Museum, Gift of Dr. and Mrs. Richard Levy

New York, Richard L. Feigen

Archiv Eigentümer(in) / Owner's archive

Saint Louis Art Museum, Bequest of Morton D. May 867:1983

SHK / Hamburger Kunsthalle. Foto : Elke Walford