© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
Courtesy Villa Grisebach, Berlin
Courtesy Thomas Ammann Fine Art AG
Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München
Nationalgalerie, SMB / Jörg P. Anders
Museum Folkwang Essen / ARTOTHEK
Minneapolis, Institute of Art
Saint Louis Art Museum, Bequest of Morton D. May 858:1983
bpk / The Metropolitan Museum of Art
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