- Author: Julian Drews, Ottmar Ette, Tobias Kraft, Barbara Schneider-Kempf, Jutta Weber
- Language: German
- Year: 2017
- Author: Ottmar Ette (editor), Horst Nitschack (editor)
- Language: Spanish, Castilian
- Year: 2010
- Author: Janett Reinstädler (editor), Ottmar Ette (editor)
- Language: Spanish, Castilian
- Year: 2000
- Author: Ottmar Ette y Julio Prieto (editor)
- Language: Spanish, Castilian
- Year: 2016
- Author: Ottmar Ette (editor), Titus Heydenreich (editor)
- Language: Spanish, Castilian
- Year: 2000
