- Author: Jean-Marie Guyau, Federico Testa, Keith Ansell-Pearson, Federico Testa
- Language: English
- Year: 2022
- Author: Jean-Marie Guyau
- Language: Spanish
- Year: 2020
- Author: Jean-Marie Guyau
- Language: Spanish
- Year: 2020
- Author: Jean-Marie Guyau
- Language: English
- Year: 2019
- Author: Jean-Marie Guyau
- Language: Italian
- Year: 2009
- Author: Jean-Marie Guyau
- Language: German
- Year: 1909
- Author: Jean-Marie Guyau
- Language: French
- Year: 2008
- Author: Jean-Marie Guyau
- Language: English
- Year: 1891