a study of the New York school of poetry in the mid-twentieth century 论活动诗歌：20世纪中期纽约派诗歌研究：a study of the New York school of poetry in the mid-twentieth century A study of the western discourse theory in the 20th century History of Chinese theatre in the twentieth century a study of policy on the secondary education of England in the twentieth century a history of philosophy in the twentieth century the rebirth of painting in the late twentieth century Oretical study of exploration theatre in the twentieth century a study on the Chinese secondary schools in Sabah during the last half century The music of time：Poetry in the twentieth century