其他题名：Theories of literature in twentieth century Theories of literature in twentieth century 并列题名：African literature in the 20th century 并列题名：History of world literature in the 20th century African literature in the 20th century Sinhalese literature of the twentieth century 并列题名：Thinkers of the twentieth century 并列题名：Selected works of world literature in the 20th century Selected works of world literature in the 20th century 并列题名：Study on the Chinese literature in the 20th century