Study on reviving poetry world in the Southern Song Dynasty Study on literati who moved to Lingnan in the southern Song dynasty a study on Wuzi's theory of one body in the Northern Song Dynasty Study on the Peking poetry world of early Qing Dynasty Study on poetry in the early southern Song dynasty a study of the tectual research in the Southern Sung dynasty 并列题名：Study on literati who moved to Lingnan in the southern Song dynasty Discussion on the history of poetic thoughts in the Northern Song dynasty Study on poetry collections of song dynasty Study on spread of opium in the late qing dynasty