"Lenguaje Origen." . . "Sprachtheorie." . . "Geschichte (1746-1922)" . . "Languages Philosophy." . . "Geschichte (1746-1920)" . . "Theorie." . . "Taalgenese." . . "Lenguaje y lenguas Filosofía." . . "Llenguatge i llengües Filosofia." . . "Langage et langues Origines." . . "Llenguatge i llengües Origen." . . . . . . . . . . . . . . . . "The origin of language aspects of the discussion from Condillac to Wundt"@en . . . "The origin of language : aspects of the discussion from Condillac to Wundt"@en . "The origin of language : aspects of the discussion from Condillac to Wundt" . . . . "The Origin of language : aspects of the discussion from Condillac to Wundt" . . . . . . . . . . . . . . . "Sprachursprung." . .