Translation

• History of the Song Dynasty, twentieth of the 24 dynastic histories 二十四史[Er4 shi2 si4 Shi3], composed under Toktoghan 脫脫|脱脱[Tuo1 tuo1] in 1345 during the Yuan Dynasty 元[Yuan2], 496 scrolls
• (not to be confused with 宋書|宋书[Song4 shu1])