 His shift towards the radical right was confirmed in many articles Mabire published in "Le Spectacle du Monde", "Valeurs Actuelles" or "Minute".In 1968, Mabire became a founding member of the Mouvement Normand, and the following year he helped Georges Bernage establish "Heimdal", a regionalist magazine and intellectual successor of "Viking".Mabire wrote in "Heimdal" about Norman poets, Nordicism and Scandinavian mythology.