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

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