Los Angeles Iris & B. Gerald Cantor Foundation
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
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
Houston, Sarah Campbell Blaffer Foundation
Kunstmuseum Winterthur
Ahlen, Kaldewei Kulturstiftung. Foto: Camerarts, Inc., New York