《北齐书·列传·卷四十四》
废帝作太子时，显祖命李铉到宫中讲授经义，对他很是优待。
废帝之在东宫，显祖诏铉以经入授，甚见优礼。
When the廢帝 was the crown prince, Xianzu ordered Li Xuan to give lectures in the palace on the meaning of the classics, and he treated him with great favor.