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Von der Heydt-Museum Wuppertal. Foto: Antje Zeis-Loi, Medienzentrum Wuppertal

Courtesy Thomas Ammann Fine Art AG

Poughkeepsie, Frances Lehman Loeb Art Center, Vassar College, Poughkeepsie, New York, gift of Mrs. Margaret S. Lewisohn, 1954.8.1

Städel Museum, Frankfurt am Main - U. Edelmann / ARTOTHEK

Courtesy Galerie Thomas, München

bpk / The Metropolitan Museum of Art

Seattle Art Museum, 55.74, Gift of Sidney and Anne Gerber