唐玄宗
Liu Zhi (, fl. 8th century), courtesy name Zuoqing (柞卿), was a Chinese historian and author of the "Zhengdian". He was the fourth son of Liu Zhiji, little is known about his life, other than he was an official during the reign of Emperor Xuanzong of Tang and had been deposed on several occasions until the times of Emperor Suzong of Tang before his death.