There are countless research works, such as Meng Sen's Lecture Notes on the History of Ming and Qing Dynasties, General History of Ming and Qing Dynasties, Miscellaneous Books of Wang Zhonghan's Qing History, New Books of Qing History, Continued Books of Qing History, Supplementary Books of Qing History, etc. Zheng Tianting's Explorations, A Brief History of Qing Dynasty and Xiao Yishan's Complete History of Qing Dynasty. You can choose some interesting books to read!