Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
Archiv Eigentümer(in) / Owner's archive
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Courtesy Hauser & Wirth Collection Services
Courtesy Galerie Thomas, München
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© Staatsgalerie Stuttgart
Courtesy Beck & Eggeling, Düsseldorf
New York, Moeller Fine Art
Courtesy Metropolitan Museum, New York (Sabine Rewald)