Study on the group of Xin'an doctors in Ming and Qing Dynasties 并列题名：Study on the group of Xin'an doctors in Ming and Qing Dynasties Study on the opera troupe of family in Ming and Qing dynasties Study on the satirical fiction in the Ming and Qing dynasties a study on the legal system of foreign trade during the ming and qing dynasties Study on the induction thought of Confucianism in Song and Ming dynasties 并列题名：Study on the opera troupe of family in Ming and Qing dynasties Study on inheritance of family learning in Tang and Song dynasties the study of tsa-tzu in Ming and Qing dynasties 并列题名：Study on the satirical fiction in the Ming and Qing dynasties