Enrique Sacco
Liascovich Carlos
Delia Sisro, Waldo Wolff
Hippolyte Prosper Olivier Lissagaray
Franz Mehring
Emilio Crisi
Baigorria Osvaldo (Comp)
Bookchin, Liguri, Stowaser
Ibañez Tomas
Miguel Bakunin
Maria Pia Lopez
Pablo Gabriel Salinas, Viviana Laura Beigel
Christian Ferrer
Javier Cosnava
Roberto Salvador Aruj
José Pablo Feinmann
Tokatlian Juan Gabriel
Cristina Guzzo
Garcia Moriyon
Emile Armand
Horacio Verbitsky
Paula Biglieri, Gloria Perolló
Friedrich Engels, Karl Marx, Ernst Mandel
Daniel Ivoskus
Laura Serra
Franco Lindner
Matthew Levitt
Silvia Rivera Cusicanqui
Gabriela Cerruti
Alvaro De Lamadrid
Norberto Robbio
Aa.Vv.
Piotr Kropotkin
Wayne Price