Autores

•  Stefan Engel (14)
•  Monika Gärtner-engel (5)
•  Horacio Tarcus (4)
•  León Trotsky (3)
•  Noam Chomsky (1)
•  Marina Franco (1)
•  Marisa Gallego (1)
•  Emilio Piazzini (1)
•  Gerald A. Cohen (1)
•  Mauricio Archila Neira (1)
•  Carlos Fernández Liria (1)
•  Marda Ucaris Zuluaga Aristizábal (1)
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