Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
© Staatsgalerie Stuttgart
Archiv Eigentümer(in) / Owner’s Archive. Courtesy Franca Candrian, Kunsthaus Zürich.
Minneapolis, Institute of Art
Ann Arbor, University of Michigan Museum of Art
bpk / The Metropolitan Museum of Art