akg-images 3929242
Saarlandmuseum Saarbrücken, Stiftung Saarländischer Kulturbesitz. Foto: Tom Gundelwein
San Francisco Museum of Modern Art, Bequest of Marian W. Sinton. Foto: Katherine Du Tiel
Mark Ranney Memorial Fund 1946.1 - University of Iowa City Museum of Art. Reproduced with permission from The University of Iowa
Hilti Art Foundation, Schaan, Liechtenstein
Saint Louis Art Museum, Bequest of Morton D. May 857:1983
Sidney, Art Gallery of New South Wales. Art Gallery of New South Wales Foundation Purchase 1987. 400.1987. Foto: AGNSW
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich