- Author: Leopoldo Mármora
- Language: Spanish
- Year: 1986
- Author: Robert Paris
- Language: Spanish
- Year: 1981
- Author: Karl Marx Mauro de Lisa
- Language: Spanish
- Year: 1982
- Author: Karl Marx Friedrich Engels Borís Nicolaievski David Borísovich Riazánov
- Language: Spanish
- Year: 1980
- Author: Rosa Luxemburg José Aricó Lelio Basso J. Peter Nettl
- Language: Spanish
- Year: 1979
- Author: Natalie Moszkowska
- Language: Spanish
- Year: 1979
- Author: Henryk Grossmann Gabriella M. Bonacchi
- Language: Spanish
- Year: 1979