| 1984 |
Museum Ludwig, Köln, Germany |
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| 1986 |
Wilhelm-Lehmbruck Museum, Duisburg, Germany |
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| 1987 |
Museum Wiesbaden, Germany |
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| 1989 |
Germanisches Nationalmuseum, Nürnberg, Germany |
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| 1989 |
Kunstverein Springhornhof, Neuenkirchen, Germany |
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| 1990 |
Helen Drutt Gallery, New York, N.Y. U.S.A. |
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| 1990 |
Kunstverein Wolfenbüttel, Germany |
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| 1992 |
Kunstverein Pforzheim, Germany |
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| 1994 |
Museum Folkwang, Essen, Germany |
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| 1994 |
Museen der Stadt Gotha, Schloß Friedenstein, Germany |
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| 1995 |
Hessisches Landesmuseum Darmstadt, Germany |
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| 1995 |
Kunstverein Ludwigsburg, Germany |
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| 1996 |
Kunstverein Schwerte, Germany |
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| 2001 |
von der Heydt-Museum, Wuppertal, Germany |
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| since 2001 |
Suermondt-Ludwig-Museum, Aachen, Germany |
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| since 2001 |
Kunstverein Würzburg, Germany |
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| since 2002 |
Städtische Kunsthalle Mannheim, Germany |
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| since 2003 |
kunst galerie fürth, Germany |
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| 2003 |
Deutsche Bank, Köln, Germany |
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| since 2004 |
State set for Wagners Opera "Tristan und Isolde"
at the
Nationaltheater Mannheim, Germany |
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