Courtesy Villa Grisebach, Berlin
Detroit Institute of Arts
Ketterer Kunst GmbH & Co. KG, München
© Staatsgalerie Stuttgart
Nationalgalerie, SMB / Jörg P. Anders
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Courtesy Galerie Thomas, München
Harvard Art Museums /Fogg Museum, Bequest of Alfred Jaretzki, Jr., 1976.96. Foto: Imaging Department © President and Fellows of Harvard College
Detroit Institute of Arts
Saint Louis Art Museum, Bequest of Morton D. May 863:1983