- Author: Christian Immler Walter Immler
- Language: German
- Year: 2018
- Author: Wolfram Gieseke
- Language: German
- Year: 2018
- Author: Gieseke Wolfgang
- Language: German
- Year: 2015
- Author: Hyslop Bruce, Castro Elizabeth
- Language: German
- Year: 2012
- Author: Louis Dirk
- Language: German
- Year: 2012
- Author: Louis Dirk
- Language: German
- Year: 2012
- Author: Louis Dirk
- Language: German
- Year: 2012
- Author: Guenter Born
- Language: German
- Year: 2010
- Author: Guenter Born
- Language: German
- Year: 2010
- Author: Isolde Kommer Tilly Mersin
- Language: German
- Year: 2010