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Museum Folkwang Essen / ARTOTHEK
Courtesy Galerie Thomas, München
Courtesy Metropolitan Museum, New York (Sabine Rewald)
Berlin, Archiv Wolfgang Wittrock
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bpk / Los Angeles County Museum of Art / Art Resource, NY
Columbus Museum of Art
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Saint Louis Art Museum, Bequest of Morton D. May 867:1983