Qing dai yun tu zhi yan jiu/ Qing dai xue shu shi yan jiu/ Tang dai xu shi shi yan jiu/ Xing de zhe xue zhi yan jiu/ Diao cha yan jiu zhi yan jiu/ Qing shi le zhi zhi yan jiu/ Tang dai kao ke zhi du yan jiu/ Qing ji tai wan kai bu zhi yan jiu/ He hui zhi du zhi yan jiu/ Jiao shi su zhi yan jiu/