Sprengel Museum Hannover / Michael Herling / Aline Gwose
akg-images 3929242
Nationalgalerie, SMB / Jörg P. Anders
Courtesy Galerie Thomas, München
Museum Osthaus, Hagen. Foto: Achim Kukulies, Düsseldorf
Mark Ranney Memorial Fund 1946.1 - University of Iowa City Museum of Art. Reproduced with permission from The University of Iowa
Photograph Courtesy of Sotheby's, Inc. © 2019
Courtesy Thomas Ammann Fine Art AG