akg-images 3929242

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

Minneapolis, Institute of Art

Nationalgalerie, SMB / Jörg P. Anders

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

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

bpk / The Metropolitan Museum of Art