María Del Mar Tort I Casals
Fernando Osorio
Francis Rosemberg
Aa.Vv.
Maria Pia Lopez
Julian De Almeida
Elliot
Rabi Shimon Bar Lojai
Patricia Sawicke, Beatriz Stillo
Friedrich Engels Karl Marx
Paulo Leminski
Edwin A. Abbott
Ohashi Wataru
Charles Fourier
Faure Sebastian
Antonio Gramsci
Charles Dickens
Mariano C. Caucino
Nik
Jack London
Pablo De Santis
Manantial
Daniel Ivoskus
Raul Beceyro
Alicia Camilloni
J.S. Pinillos
Jorge Montanari
Ricardo Flores Magon
Jose Carlos Mariategui
Georges Sorel