- Author: Eduardo Nicol
- Language: Spanish
- Year: 1978
- Author: Eduardo Nicol
- Language: Spanish
- Year: 1989
- Author: Eduardo Nicol
- Language: Spanish
- Year: 1982
- Author: Edmundo O'Gorman, David Hume, Eduardo Nicol
- Language: Spanish
- Year: 1942
- Author: Eduardo Nicol
- Language: Spanish
- Year: 1978