Bao-jia systems in the Ming dynasty The eunuchs in the ming dynasty 并列题名：The eunuchs in the ming dynasty Palace glass in the Qing dynasty palace glass in the qing dynasty snuff bottles in the qing dynasty "Ren-Ding" in the Qing dynasty Study of festivals in the Tang dynasty Study of steles theories in the qing dynasty Herbal property opera in the Qing dynasty