- Author: Nikolay Berdiaev, Nicolas Berdiaeff, Berdjaev Nikolaj Aleksandrovič
- Language: Spanish
- Year: 1964
- Author: Nikolay Berdiaev, Nicolas Berdiaeff
- Language: Spanish
- Year: 1938
- Author: Nikolay Berdiaev, Nicolas Berdiaeff
- Language: Spanish
- Year: 1968