A study of the western discourse theory in the 20th century 从巴赫金到哈贝马斯：20世纪西方话语理论研究：A study of the western discourse theory in the 20th century Review and analysis on the western democracy theory of the 20th century Study of Chinese Marxist literary theory in the 20th century Study on the Chinese literature in the 20th century 并列题名：Study of Chinese Marxist literary theory in the 20th century Western literary theory in the 20th century 并列题名：Western literary theory in the 20th century a study of the New York school of poetry in the mid-twentieth century a study of Chinese citizen novels at the end of the 20th century