Analysis of information sources in references of the Wikipedia article "Viol" in English language version.
Rault notes that the first mention of the guitarra was in the late-13th- or early-14th-century Latin manuscript Ars Musica by the Spaniard Juan Gil de Zamora
Rault notes that the first mention of the guitarra was in the late-13th- or early-14th-century Latin manuscript Ars Musica by the Spaniard Juan Gil de Zamora