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