liáo shǐ
History of the Liao Dynasty, twenty first 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], 116 scrolls
辽
liáo
short name for Liaoning 遼寧|辽宁[Liao2 ning2] province
史
shǐ
history