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© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence

Courtesy Thomas Ammann Fine Art AG

Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München

Nationalgalerie, SMB / Jörg P. Anders

2004 Christie's Images Limited

Museum Folkwang Essen / ARTOTHEK

Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.

bpk / The Metropolitan Museum of Art

Courtesy Hauser & Wirth Collection Services

Seattle Art Museum, 55.74, Gift of Sidney and Anne Gerber

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