San Francisco Museum of Modern Art, Bequest of Marian W. Sinton. Foto: Katherine Du Tiel
Städel Museum, Frankfurt am Main - U. Edelmann / ARTOTHEK
Saint Louis Art Museum, Bequest of Morton D. May 857:1983
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
bpk / The Metropolitan Museum of Art
Washington D. C., Smithsonian Institution, Hirshorn Museum and Sculpture Garden. Gift of the Joseph H. Hirshhorn Foundation, 1966. Foto: Lee Stalsworth