- Author: Johann Gottlieb Fichte
- Language: German
- Year: 1971
- Author: Julius Wellhausen
- Language: German
- Year: 1961
- Author: Carl von Kraus
- Language: German
- Year: 1966
- Author: Friedrich Neumann
- Language: German
- Year: 1966
- Author: Hermann Heller
- Language: German
- Year: 1927
- Author: Brent W. Sockness (editor)
- Language: English
- Year: 2010
- Author: Willy Theiler (editor)
- Language: German
- Year: 1982
- Author: D. Francois Tolmie (editor)
- Language: English
- Year: 2010