- Author: Diana López Varela
- Language: Spanish
- Year: 2016
Maternofobia
epub
- Author: Diana López Varela
- Language: Spanish
- Year: 2019
- Author: Humberto Maturana & Francisco Varela
- Language: Spanish
- Year: 1972
- Author: Max Nicolai Appenroth María do Mar Castro Varela (eds.)
- Language: German
- Year: 2019
- Author: Humberto R. Maturana Francisco J. Varela
- Language: Portuguese
- Year: 2001
- Author: Gustavo Varela
- Language: Spanish
- Year: 2005
- Author: Jesús Martínez Girón, Alberto Arufe Varela, Xosé Manuel Carril Vázquez
- Language: Spanish
- Year: 2006
- Author: Helton Varela
- Language: Portuguese
- Year: 2017
- Author: Humberto Maturana Romesín, Francisco J. Varela
- Language: Spanish
- Year: 2003
- Author: Humberto R. Maturana - Francisco Varela
- Language: Italian