- Author: Karl Marx Eduardo Vásquez Germain
- Language: Spanish
- Year: 1980
- Author: Eduardo Vásquez Germain
- Language: Spanish
- Year: 1993
- Author: Georg Wilhelm Friedrich Hegel Eduardo Vásquez Germain
- Language: Spanish
- Year: 1980
- Author: Eduardo Vásquez Germain
- Language: Spanish
- Year: 1982
- Author: Eduardo Vásquez Germain
- Language: Spanish
- Year: 1973
- Author: Eduardo Vásquez Germain
- Language: Spanish
- Year: 2008