- Author: Schulz Frank
- Language: German
- Year: 2010
- Author: Schmidt Arno, Rauschenbach Bernd
- Language: German
- Year: 2015
- Author: Laher Ludwig
- Language: German
- Year: 2015
- Author: Ollier Claude
- Language: French
- Year: 2013
- Author: Blaisdell Robert
- Language: English
- Year: 2014
- Author: Laher Ludwig
- Language: German
- Year: 2016
- Author: Kirchhoff Bodo
- Language: German
- Year: 2016
- Author: Kirchhoff Bodo
- Language: German
- Year: 2016
- Author: Denton Jamie, Douglas Kate, Foster Lori, Love Kathy, McCarthy Erin, Nirschl Anita
- Language: German
- Year: 2015
- Author: Busch Frederick, Strout Elizabeth
- Language: English
- Year: 2013
