a study on Shao Yong's philosophy The story of philosophy New studies in Hegerl's philosophy a study in Kant's moral philosophy Routledge studies in American philosophy 并列题名：Study on Pre-Socrates philosophy Study of medieval philosophy 伦理与存在：道德哲学研究：a study on moral philosophy Study on Zhang Zai's philosophy 观物：邵雍哲学研究：a study on Shao Yong's philosophy