Relegation and literature in the middle and late northern song dyansty 并列题名：Relegation and literature in the middle and late northern song dyansty the foreign affairs, the war and the people in late northern Song Dynasty Literati's literature in northern and southern Song Dynasties Costumes in novels in the middle and late qing dynasty History of literature in the Northern and the Southern dynasties Costumes in novels in the middle and late Qing Dynasty National fusion and literary interaction in the northern dynasty 汴京之围：the foreign affairs, the war and the people in late northern Song Dynasty the impact of Esoteric Buddhism on literature in the middle and later Tang Dynasty