The earliest known person in Azerbaijani literature was Hasanoghlu or Pur Hasan Asfaraini. He made a divan of Persian and Turkic ghazals. Classical literature in Azerbaijani was formed in 14th century. Among the poets of this period were Gazi Burhanaddin and Haqiqi. The famed Book of Dede Korkut has two manuscripts copied in the 16th century. It is a collection of 12 stories showing the oral tradition of Oghuz nomads.