2010 Christie's Images Limited
Collection Walker Art Center, Minneapolis. Gift of Mr. and Mrs. John Cowles, Sr. 1964
© Staatsgalerie Stuttgart
Museum Folkwang Essen / ARTOTHEK
Archiv Eigentümer(in) / Owner's archive
akg-images 5010389
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Board of the Trustees of the University of Illinois on behalf of its Krannert Art Museum University of Illinois. Purchase through the Festival of Arts Purchase fund 1950-2-1
Detroit Institute of Arts
Courtesy Hauser & Wirth Collection Services