《辽史·本纪·卷四》
十六日，因安重荣割据镇州反晋，诏令征南将军萧柳严守边防。
己卯，以安重荣据镇州叛晋，诏征南将军柳严边备。
On the 16th, because An Zhongrong had occupied Zhenzhou and rebelled against Jin, the Emperor ordered General Xiao Liu, who was pacifying the south, to strictly defend the border.