Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin
Courtesy Wolfram Morath-Vogel, Foto: Dirk Urban, Erfurt
Courtesy Villa Grisebach, Berlin
Courtesy Thomas Ammann Fine Art AG
New York, Phillips
2007 Christie's Images Limited
New York, Neue Galerie
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Archiv Eigentümer(in) / Owner's archive
Courtesy Galerie Thomas, München
2004 Christie's Images Limited
Photograph Courtesy of Sotheby's, Inc. © 2002
Wiesbaden, Frank Brabandt
akg-images 212824
akg-images 255323
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Courtesy Hauser & Wirth Collection Services
2013 Christie's Images Limited
akg-images 995647