- Author: Jakobs Béatrice, Kapp Volker, Lennartz Norbert, Ridder Klaus, Wimmer Ruprecht
- Language: German
- Year: 2014
- Author: Jakobs Béatrice, Kapp Volker, Lennartz Norbert, Ridder Klaus, Rösch Gertrud M.
- Language: German
- Year: 2015
- Author: Friede Susanne, Jakobs Béatrice, Lennartz Norbert, Ridder Klaus, Rösch Gertrud M., Strosetzki Christoph
- Language: German
- Year: 2016
- Author: Friede Susanne, Jakobs Béatrice, Lennartz Norbert, Ridder Klaus, Rösch Gertrud M., Strosetzki Christoph
- Language: German
- Year: 2017