Städel Museum, Frankfurt am Main / ARTOTHEK
New York, Neue Galerie
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
London, Marie-Louise von Motesiczky Charitable Trust
Washington D. C., Smithsonian Institution, Hirshorn Museum and Sculpture Garden. Gift of the Joseph H. Hirshhorn Foundation, 1966. Foto: Lee Stalsworth