2007 Christie's Images Limited
Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München
Archiv Eigentümer(in) / Owner's archive
Nationalgalerie, SMB / Jörg P. Anders
Kunsthalle Mannheim, Foto: Cem Yücetas
Courtesy Beck & Eggeling, Düsseldorf
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