并列题名：Research on Wuli system in the Wei Jin Nan-Bei dynasties Research on Wuli system in the Wei Jin Nan-Bei dynasties 并列题名：Research of Zi Shu in Han and Wei Dynasties 并列题名：Research on the history of Hebei in Han dynasty 并列题名：Research on relief system for the outer parties 并列题名：Research on mining industry in Central China during Ming and Qing dynasties 并列题名：Study of land tenure system in the Qin and Han Dynasties 并列题名：Research on Chinese governance system in past dynasties 并列题名：Research of painting theory during the six dynasties 并列题名：Research on export porcelain in Ming and Qing dynasties