Studies in Mao Zedong's philosophical thought Study of Van Sitong's philosophical thoughts A study of Van Sitong's philosophical thoughts Study of Tao Yuanming's philosophy and thought Study of Mao Zedong's philosophical thoughts on criminal law Study of Tan Sitong's philosophical thinking Research on Feng Ding's philosophical thought Study of Dai Zhen's psychological thought Collected papers on Sun Bokui's philosophical thought A study of Tao Yuanming's philosophy and thought