《太平广记·卷三百零八·神十八》
当时，邻近几州的人，都请李序帮助避灾，他批写的字现在还留存着。
邻近数州人，皆请休咎于李序。其批判处犹存。
At that time, people from the neighboring provinces all asked Li Xu for help avoiding disasters, and the characters he wrote still remain today.