- Author: Duden Redaktion
- Language: German
- Year: 2015
- Author: Michael Bornemann Birgit Kölmel Anja Steinhauer
- Language: German
- Year: 2017
- Author: Duden Redaktion
- Language: German
- Year: 2017
- Author: Anja Steinhauer Birgit Kölmel Gertrud Böhrer
- Language: German
- Year: 2017
- Author: Duden Redaktion
- Language: German
- Year: 2015
- Author: Timo Witschaß
- Language: German
- Year: 2011
- Author: Duden Redaktion
- Language: German
- Year: 2009
- Author: Rudolf Köster
- Language: German
- Year: 2007
- Author: Duden Redaktion
- Language: German
- Year: 2011
- Author: Bibliographisches Institut
- Language: German
- Year: 2014