© 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
Kunsthalle Mannheim, Foto: Cem Yücetas
Courtesy Thomas Ammann Fine Art AG
Kunsthalle Bremen – Der Kunstverein in Bremen. Foto: Lars Lohrisch
Kunstpalast - ARTOTHEK