QUINTILI, Paolo. The Prehistory of Protolanguage’s Notion. Condillac, Rousseau, De Brosses and the Origins of Language in the Eighteenth Century. Theoria et Historia Scientiarum. Online. 19 December 2016. Vol. 13, pp. 35-53. [Accessed 16 October 2024]. DOI 10.12775/ths.2016.003.