The language (or languages) spoken in Sardinia during the Bronze Age is unknown, since there are no written records of such period. According to Eduardo Blasco Ferrer, the Proto-Sardinian language was akin to Proto-Basque and the ancient Iberian, while others believe it was related to Etruscan. Other scholars theorize that there were actually various linguistic areas (two or more) in Nuragic Sardinia, possibly Pre–Indo-Europeans and Indo-Europeans.