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Saint Louis Art Museum, Bequest of Morton D. May 845:1983
Saint Louis Art Museum, Bequest of Morton D. May 848:1983
As per the specifications of the heirs of the Copyright owner or the managing society. Provenance: Museo Nacional Thyssen-Bornemisza, Madrid
Deutsches Literaturarchiv Marbach / Foto: Chris Korner
San Francisco Museum of Modern Art, Bequest of Marian W. Sinton. Foto: Katherine Du Tiel
Saint Louis Art Museum, Bequest of Morton D. May 857:1983
Nationalgalerie, SMB / Jörg P. Anders
Courtesy Thomas Ammann Fine Art AG
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