- Author: Wunder Heide
- Language: German
- Year: 2002
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- Year: 1991
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- Language: German
- Year: 2005
- Author: Stollberg-Rilinger Barbara
- Language: German
- Year: 2001
- Author: Stollberg-Rilinger Barbara
- Language: German
- Year: 2005
- Author: Stollberg-Rilinger Barbara, Krischer André
- Language: German
- Year: 2010
- Author: Schwinges Rainer Christoph
- Language: German
- Year: 1996
- Author: Schulte Petra, Annas Gabriele, Rothmann Michael
- Language: German
- Year: 2012