- Author: Paul M. Sweezy, Valentino Gerratana, Francesco Fenghi, Rossana Rossanda, Attilio Chitarin, Bernard Jobic
- Language: Spanish
- Year: 1973
Lenin filosofo
pdf
- Author: Anton Pannekoek
- Language: Spanish
- Year: 1973
- Author: Rossana Rossanda, Jean-Paul Sartre, Víctor Fay, Edoarda Masi, André Gorz, Giovanni Mottura
- Language: Spanish
- Year: 1987
- Author: Karl Marx, Friedrich Engels
- Language: Spanish
- Year: 1973
- Author: Giuliano Procacci, Grigori Zinóviev, José Stalin, Edward H. Carr
- Language: Spanish
- Year: 1972
- Author: Giuliano Procacci, León Trotski, Nicolai Bujarin, Grigori Zinóviev
- Language: Spanish
- Year: 1972
- Author: Valentino Gerratana, Lucio Magri, Massimo L. Salvadori, Yvon Bourdet, Franco Ferri, Lisa Foa. Enzo Colloti, Sergio Garavini, Antonio Gramsci
- Language: Spanish
- Year: 1977
- Author: Armando De Palma, Raniero Panziei, Michele Salvati, Bianca Beccalli, Antonio Lettieri, André Gorz
- Language: Spanish
- Year: 1974
- Author: Nicolai Bujarin
- Language: Spanish
- Year: 1972