- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht, Zimmermann Jutta
- Language: German
- Year: 2010
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht, Zimmermann Jutta
- Language: German
- Year: 2012
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht, Zimmermann Jutta
- Language: German
- Year: 2013
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht
- Language: German
- Year: 2006
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht
- Language: German
- Year: 2007
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht
- Language: German
- Year: 2008
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht
- Language: German
- Year: 2009
- Author: Kapp Volker, Müller Kurt, Ridder Klaus, Wimmer Ruprecht, Zimmermann Jutta
- Language: German
- Year: 2011
- 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