Research on the legal status of female in Song Dynasty Research on the poetic styles of Yue-fu songs in Tang dynasty Research on the legal status of Arctic Passage Research on the neicang finance of Song dynasty Research on the legal status of derivative works in copyright law Research on the Wei Zhi Lv of Qing dynasty Research on the prefaces in the Northern Song dynasty 并列题名:Research on the poetic styles of Yue-fu songs in Tang dynasty Research on the Henan Provincial examination in Qing dynasty Research on the envoy literature of Song dynasty