- Author: Frithjof Rodi
- Language: German
- Year: 2018
- Author: Frithjof Rodi
- Language: German
- Year: 2016
- Author: Wilhelm Dilthey, Rudolf A. Makkreel Frithjof Rodi
- Language: English
- Year: 2002
- Author: Wilhelm Dilthey Rudolf A. Makkreel Frithjof Rodi
- Language: English
- Year: 1989