Research on the governance over the northeast region in the Yuan Dynasty 并列题名：Research on the governance over the northeast region in the Yuan Dynasty Research on the governance of local fiscal deficit in the early Qing dynasty 并列题名：Research on the governance of local fiscal deficit in the early Qing dynasty research on the core values of the police literature in the 21st century research on the diverse fusion of the artificial design in Qin dynasty Research on the prefaces in the Northern Song dynasty Research on the Henan Provincial examination in Qing dynasty Research on the monetization of silver in China in the Ming dynasty Study on the urban rural relations in the northern regions of the Qing dynasty