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
Saint Louis Art Museum, Gift of Mr. and Mrs. Joseph Pulitzer Jr. 587:1958
Schloßmuseum Murnau, Bildarchiv