As per the specifications of the heirs of the Copyright owner or the managing society. Provenance: Museo Nacional Thyssen-Bornemisza, Madrid
Courtesy Villa Grisebach, Berlin
Archiv Eigentümer(in) / Owner's archive
bpk / Los Angeles County Museum of Art / Art Resource, NY
Courtesy Galerie Thomas, München
Archiv Eigentümer(in) / Owner's archive
Archiv Eigentümer(in) / Owner's archive