- Author: Miguel de Unamuno
- Language: Spanish, Castilian
- Year: 2019
- Author: Miguel de Unamuno
- Language: Spanish, Castilian
- Year: 2020
Sis
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- Author: Miguel De Unamuno
- Language: Turkish
- Year: 2021
- Author: Miguel De Unamuno
- Language: Turkish
- Year: 2010
- Author: Miguel De Unamuno
- Language: Turkish
- Year: 2020
- Author: Miguel de Unamuno, Anthony Kerrigan
- Language: English
- Year: 2015
- Author: Miguel de Unamuno (editor), Anthony Kerrigan (editor), Martin Nozick (editor)
- Language: English
- Year: 2017
- Author: Miguel de Unamuno (editor), Anthony Kerrigan (editor), Martin Nozick (editor)
- Language: English
- Year: 2017
