Research of Xuanjiao in the Yuan dynasty Research on Ti-fashi in the late Qing dynasty Research on the Great Wall of the Han dynasty Research of mishusheng in tang dynasty Research on the texts in Yuan Dynasty Research on yuefu poems of the Wei and Jin dynasty Research on the history of Hebei in Han dynasty 并列题名:Research on the Great Wall of the Han dynasty Research on the prefaces in the Northern Song dynasty Textual research on the opera of the Qing dynasty