Museum Folkwang Essen / ARTOTHEK
Christie's Images Limited © 2019. Christie's Images, London / Scala, Florence
Courtesy Galerie Thomas, München
Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
Courtesy Metropolitan Museum, New York (Sabine Rewald)
akg-images 583036
bpk / Los Angeles County Museum of Art / Art Resource, NY
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich