- Author: Ruben Cedeño
- Language: Spanish
- Author: Julius Evola
- Language: Italian
- Year: 2006
- Author: David Malet Armstrong
- Language: Spanish
- Year: 1988
- Author: Sider Theodore
- Language: English
- Year: 2013
- Author: Hohwy Jakob, Kallestrup Jesper
- Language: English
- Year: 2012
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- Language: English
- Year: 2006
- Author: Korn Alejandro
- Language: Spanish
- Year: 1944
- Author: Ramiro de Granada
- Language: Spanish
- Year: 2009
