Study on the poetry circle of Huizhou in the Song dynasty a study centered on the history of Wenzhou in the Qing dynasty Study on forest economy of Huizhou in Ming dynasty Study on poetry collections of song dynasty Study on the social security culture of the Song dynasty Study on the evolution about style of ci in the Ming dynasty Study on the legalization of ethnic policies in the Qing dynasty Study on the post system in southwest China of the Ming dynasty Study on the modernity of travels in the Late Qing dynasty Study on the silk in the Ming dynasty