© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
Collection Walker Art Center, Minneapolis. Gift of Mr. and Mrs. John Cowles, Sr. 1964
© Staatsgalerie Stuttgart
Saint Louis Art Museum, Bequest of Morton D. May 855:1983
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich