- Author: Walter Behrmann, Otto Quelle
- Language: German
- Year: 1956
- Author: Detlef Merten, Walter Berka, Otto Depenheuer, Christoph Degenhart, Helmuth Schulze-Fielitz, Heinz Schäffer, Alexander Ruch
- Language: German
- Year: 1996
- Author: Walter F. Otto
- Language: spanish
- Year: 2017
- Author: Walter Friedrich Otto
- Language: Italian
- Year: 2006
- Author: Walter Friedrich Otto
- Language: Italian
- Year: 2016
- Author: Walter Friedrich Otto Giampiero Moretti (editor)
- Language: Italian
- Year: 2021
- Author: Walter Friedrich Otto
- Language: Italian
- Year: 2006
- Author: Walter Friedrich Otto
- Language: Italian
- Year: 2014
- Author: Walter Friedrich Otto Giampiero Moretti (editor)
- Language: Italian
- Year: 2021