akg-images 3929242
Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München
Nationalgalerie, SMB / Jörg P. Anders
Los Angeles Iris & B. Gerald Cantor Foundation
Archiv Eigentümer(in) / Owner's archive
Museum Osthaus, Hagen. Foto: Achim Kukulies, Düsseldorf
Courtesy Thomas Ammann Fine Art AG
Sprengel Museum Hannover / Michael Herling / Aline Gwose
Mark Ranney Memorial Fund 1946.1 - University of Iowa City Museum of Art. Reproduced with permission from The University of Iowa
Courtesy Thomas Ammann Fine Art AG