"Organización Internacional de Periodistas." . . . . . . . "Useful recollections : excursion into the history of the international movement of journalists 1" . . . . "Useful recollections : excursion into the history of the international movement of journalists. 1" . . . "Useful recollections : excursion into the history of the international movement of journalists. Part 1" . . "Useful recollections : excursion into the history of the international movement of journalists. part I" . . . . "Useful recollections/ 1" . "Periodisme Història S. XIX-XX." . . . .