- Author: Luis De La Sierra
- Language: Spanish
- Year: 101
- Author: Luis de la sierra
- Language: Spanish
- Year: 2013
- Author: Luis de la sierra
- Language: Spanish
- Year: 2013
- Author: Luis de la sierra
- Language: Spanish
- Year: 2013
- Author: Luis de la Sierra
- Language: Spanish
- Year: 1974
- Author: Luis de la Sierra
- Language: Spanish
- Year: 1979
- Author: Luis de la Sierra
- Language: Spanish
- Year: 1990