Detroit Institute of Arts

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Collection Walker Art Center, Minneapolis. Gift of Mr. and Mrs. John Cowles, Sr. 1964

Nationalgalerie, SMB / Jörg P. Anders

Museum Folkwang Essen / ARTOTHEK

Courtesy Galerie Thomas, München

Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich

Archiv Eigentümer(in) / Owner's archive

Kunstpalast - ARTOTHEK

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Harvard Art Museums /Fogg Museum, Bequest of Alfred Jaretzki, Jr., 1976.96. Foto: Imaging Department © President and Fellows of Harvard College

Kunstsammlungen Chemnitz - Museum Gunzenhauser, Eigentum der Stiftung Gunzenhauser

Board of the Trustees of the University of Illinois on behalf of its Krannert Art Museum University of Illinois. Purchase through the Festival of Arts Purchase fund 1950-2-1

Courtesy Thomas Ammann Fine Art AG

Courtesy Galerie Thomas, München

Detroit Institute of Arts

Saint Louis Art Museum, Bequest of Morton D. May 863:1983

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