Photograph Courtesy of Sotheby's, Inc. © 2010
Archiv Eigentümer(in) / Owner's archive
Photograph Courtesy of Sotheby's, Inc. © 2002
As per the specifications of the heirs of the Copyright owner or the managing society. Provenance: Museo Nacional Thyssen-Bornemisza, Madrid
Nationalgalerie, SMB / Jörg P. Anders
Archiv Eigentümer(in) / Owner's archive. Foto: Maurice Aeschimann
Kunstmuseum Den Haag
Christie's Images Ltd / ARTOTHEK
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich