Mark Ranney Memorial Fund 1946.1 - University of Iowa City Museum of Art. Reproduced with permission from The University of Iowa
Sidney, Art Gallery of New South Wales. Art Gallery of New South Wales Foundation Purchase 1987. 400.1987. Foto: AGNSW
Nationalgalerie, SMB / Jörg P. Anders
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
bpk / The Metropolitan Museum of Art