Kunsthalle Bremen – Der Kunstverein in Bremen. Foto: Lars Lohrisch
Courtesy of The Kreeger Museum, Washington, DC
Saint Louis Art Museum, Bequest of Morton D. May 852:1983
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Archiv Eigentümer(in) / Owner's archive
Cleveland Museum of Art. Gift of Mrs. Henry White Cannon by exchange 2013.7