Los Angeles Iris & B. Gerald Cantor Foundation
Christie's Images Limited © 2019. Christie's Images, London / Scala, Florence
Sprengel Museum Hannover / Aline Herling / Michael Herling / Benedikt Werner
Courtesy Galerie Thomas, München
bpk / Los Angeles County Museum of Art / Art Resource, NY
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich