遼史
The "History of Liao", however, described none of these conflicts. Rather, it had a terse assertion that after Emperor Shizong took the throne, he rewarded Zhao Yanshou for having "supported" him in taking the throne, and had Zhao remain as his chief of staff, until Zhao's death in 948. Indeed, the chronicles of Emperor Shizong's reign indicated that Zhao also remained as the defender of the southern capital (i.e., Lulong's capital Youdu () until his death.