紫色清華
西方文學十五講 = Fifteen lessons of western literature
歐洲文明的十五堂課 = Civilization of the Europe
西方美術史的十五堂課 = History of Western Art
現代西方哲學的十五堂課 = Modern western philosiphy
哲學修養的十五堂課 = Philosophy training
音樂欣賞的十五堂課 = Appreciation of music