Courtesy Thomas Ammann Fine Art AG
Courtesy Villa Grisebach, Berlin
Archiv Eigentümer(in) / Owner’s Archive. Courtesy Franca Candrian, Kunsthaus Zürich.
Columbus Museum of Art
Kansas City, Missouri, The Nelson-Atkins Museum of Art. Gift of the Friends of Art, 54-86. Image courtesy Nelson-Atkins Media Services / Photo: Jamison Miller