- Author: Humberto Maturana & Francisco Varela
- Language: Spanish
- Year: 1972
- Author: Humberto R. Maturana - Francisco Varela
- Language: Italian
- Author: Humberto Maturana Romecín & Francisco Varela García
- Language: Spanish
- Year: 2017
Conocer
epub
- Author: Francisco Varela
- Language: Spanish
- Year: 1988
La habilidad ética
epub
- Author: Francisco Varela
- Language: Spanish
- Year: 1992
- Author: Humberto Maturana & Francisco Varela
- Language: Spanish
- Year: 1972
- Author: Humberto R. Maturana, Francisco J. Varela, Francisco Varela G.
- Language: Spanish
- Year: 2008
- Author: Francisco Varela
- Language: Spanish
- Year: 2000
- Author: Humberto R. Maturana Francisco Varela
- Language: English
- Year: 1992