a study on Xia Zhentao's epistemology thought 马克思主义认识论的当代阐释:夏甄陶认识论思想研究:a study on Xia Zhentao's epistemology thought Study of Dai Zhen's psychological thought Study on Qian Zhongshu's literary thought New study on He Lian-cheng economy thought a study of Greek political thought a study of Nietzsche's ethical thoughts a study of Churchill's grand strategy thoughts a study of nathaniel hawthorne's thoughts