- Author: Gerhard Altvater, Christoph Coen, Christoph Krehl, et al.
- Language: German
- Year: 2022
- Author: Christian Klie, Hans Kudlich, Christoph Krehl, Georg-Friedrich Güntge, Wilhelm Schluckebier, Gerhard Altvater
- Language: German
- Year: 2014
- Author: Hans Lilie, Hans Joachim Hirsch, Günter Gribbohm, Ernst Träger, Wilhelm Schluckebier, Gerhard Altvater, Wolfgang Ruß, Gerhard Herdegen, Klaus Tiedemann
- Language: German
- Year: 2005
- Author: Christian Klie, Hans Kudlich, Christoph Krehl, Georg-Friedrich Güntge, Wilhelm Schluckebier, Gerhard Altvater
- Language: German
- Year: 2014
- Author: Gerhard Altvater, Christoph Coen, Christoph Krehl, et al.
- Language: German
- Year: 2022