- Author: Oberender Peter
- Language: German
- Year: 2011
- Author: Oberender Peter
- Language: German
- Year: 2012
- Author: Oberender Peter
- Language: German
- Year: 2014
- Author: Oberender Peter
- Language: German
- Year: 2015
- Author: Oberender Peter
- Language: German
- Year: 2007
- Author: Oberender Peter
- Language: German
- Year: 2008
- Author: Oberender Peter
- Language: German
- Year: 2009
- Author: Oberender Peter
- Language: German
- Year: 2010
- Author: Oberender Peter
- Language: German
- Year: 2002
- Author: Oberender Peter
- Language: German
- Year: 2003