Study on Yan Zhitui's thoughts 并列题名：Study on Yan Zhitui's thoughts Study on Liang Shuming's thoughts Study of Egyptian feminist thoughts Study of G.C. Spivak's thoughts 并列题名：Study on Liang Shuming's thoughts A Study on Taoist Scientific Thoughts New studies of Chen Tuhsiu's thoughts Study on Shen Deqian's poetic thoughts Study on confucian classics and thoughts