
- Author: Harke Jan Dirk
- Language: German
- Year: 2014

- Author: Harke Jan Dirk
- Language: German
- Year: 2016

- Author: Harke Jan Dirk
- Language: German
- Year: 2012

- Author: Harke Jan Dirk
- Language: German
- Year: 2019

- Author: Harke Jan Dirk
- Language: German
- Year: 2019

- Author: Harke Jan Dirk
- Language: German
- Year: 2020

- Author: Hardenberg Simone Gräfin von
- Language: German
- Year: 2009