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Courtesy Villa Grisebach, Berlin
Courtesy Thomas Ammann Fine Art AG
Detroit Institute of Arts
Staatliche Kunsthalle Karlsruhe. Foto: A. Fischer / H. Kohler
Courtesy Galerie Thomas, München
Nationalgalerie, SMB / Jörg P. Anders
2004 Christie's Images Limited
Wiesbaden, Frank Brabandt
Museum Folkwang Essen / ARTOTHEK
London, Marie-Louise von Motesiczky Charitable Trust
Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.
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2013 Christie's Images Limited
Boston, Museum of Fine Arts
Minneapolis, Institute of Art
Courtesy of Norton Museum of Art, West Palm Beach, Bequest of R. H. Norton, 53.5
Courtesy Hauser & Wirth Collection Services
Washington D. C., Smithsonian Institution, Hirshorn Museum and Sculpture Garden. Gift of the Joseph H. Hirshhorn Foundation, 1966. Foto: Lee Stalsworth
Saint Louis Art Museum, Bequest of Morton D. May 867:1983