Boecio
Gallego Rosa, Sanz Juan Carlos
Theodor W. Adorno
Sade Marques De
Friedrich Engels, Karl Marx
Maria Eugenia Fernandez Fraile
Mika Etchebehere
Perez Reverte Arturo Y Carlot
Bartolome Bennassar
John Reed
Aa.Vv.
Ian Jenkins
Marco Cicala
Josep M. Colomer
Durozoi Gerard
Andrew Zimbalist
Constanza Cavallero
Rosa Luxemburgo
Politzer
Jules Michelet
Filoramo Giovanni
Schmidl Ulrico
Cayetano Cordova Iturburu
Mayakovski Vladimir
Hernan Casciari
Leymarie