Research on the prefaces in the Northern Song dynasty 并列题名：Research on the prefaces in the Northern Song dynasty Research on the Shi family in Siming in the Southern Song Dynasty Research on the archives of Nanbu county in qing dynasty Research on the neicang finance of Song dynasty Research on the poetic styles of Yue-fu songs in Tang dynasty Research on the poetics of Jiangnan in late Ming dynasty Research on the Wei Zhi Lv of Qing dynasty a study of the tectual research in the Southern Sung dynasty research on the army's tactics and training of late Qing dynasty