© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
Courtesy Villa Grisebach, Berlin
Courtesy Thomas Ammann Fine Art AG
Courtesy Galerie Thomas, München
Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
bpk / The Metropolitan Museum of Art
Saint Louis Art Museum, Bequest of Morton D. May 867:1983