Song Fengyun reference ancient books

History of the Song Dynasty, Mirror of Continuing Capital Management, Compilation of Hubei Jin Dynasty, Song Ben, Compilation of Three Dynasties to the North, Chronicle of Yan State Since the Founding of the Dynasty, Zhongxing Xiaoji, Records of Daikin, Records of Daikin, Records of Daikin, History of Liao Dynasty and Yulu of Helin.