Collection of the Frederick R. Weisman Art Museum at the University of Minnesota, Minneapolis. Gift of Ione and Hudson D. Walker, 1953.288.
2004 Christie's Images Limited
bpk / CNAC-MNAM
Sprengel Museum Hannover, Leihgabe Niedersächsisches Landesmuseum, Hannover / Michael Herling / Aline Gwose
Courtesy Galerie Thomas, München
Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
- / ARTOTHEK
Archiv Eigentümer(in) / Owner's archive. Foto: Maurice Aeschimann