2007 Christie's Images Limited
© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
2020 Christie's Images Limited
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
2020 Christie's Images Limited
Kunsthalle Mannheim, Foto: Cem Yücetas
Museum Folkwang Essen / ARTOTHEK
Courtesy Thomas Ammann Fine Art AG
Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
© Staatsgalerie Stuttgart
Courtesy Metropolitan Museum, New York (Sabine Rewald)
Berlin, Archiv Wolfgang Wittrock
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Collection Albright-Knox Art Gallery, Buffalo, New York. Room of Contemporary Art Fund, 1950 (RCA1950:1). Foto: Tom Loonan