2007 Christie's Images Limited
2016 Christie's Images Limited
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Archiv Eigentümer(in) / Owner's archive
Christie's Images Ltd / ARTOTHEK
Courtesy Metropolitan Museum, New York (Sabine Rewald)
Photograph Courtesy of Sotheby's, Inc. © 2002
Ahlen, Kaldewei Kulturstiftung / Courtesy Galerie Kornfeld, Bern
Courtesy Thomas Ammann Fine Art AG
Wiesbaden, Frank Brabandt
Courtesy Galerie Schwarzer, Düsseldorf
Courtesy Galerie Thomas, München
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Courtesy Hauser & Wirth Collection Services
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