- Author: Duden Redaktion
- Language: German
- Year: 1990
- Author: Die Duden-Redaktion
- Language: German
- Year: 1990
- Author: Die Duden-Redaktion
- Language: German
- Year: 1983
- Author: Duden Redaktion
- Language: German
- Year: 2016
- Author: Duden Redaktion
- Language: German
- Year: 2012
- Author: Duden Redaktion
- Language: German
- Year: 2016
- Author: Duden Redaktion
- Language: German
- Year: 2015
- Author: Duden Redaktion
- Language: German
- Year: 2015
- Author: Duden Redaktion
- Language: German
- Year: 2015
- Author: Duden Redaktion
- Language: German
- Year: 2011