Courtesy Thomas Ammann Fine Art AG
New York, Phillips
Düren, Leopold Hoesch Museum. Foto: Aachen, Peter Hinschläger
2004 Christie's Images Limited
New York, Museum of Modern Art (MoMA), Given anonymously (by exchange), 6.1942.a-c.© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
Sprengel Museum Hannover / Michael Herling / Aline Gwose
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
Wiesbaden, Frank Brabandt
Museum Folkwang Essen / ARTOTHEK
Courtesy Galerie Thomas, München
Sammlung Würth, Künzelsau. Foto: Philipp Schönborn, München
Archiv Eigentümer(in) / Owner's archive
Courtesy Hauser & Wirth Collection Services
Washington D. C., Smithsonian Institution, Hirshorn Museum and Sculpture Garden. Gift of the Joseph H. Hirshhorn Foundation, 1966. Foto: Lee Stalsworth
Saint Louis Art Museum, Bequest of Morton D. May 867:1983
Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München