《北史·列传·卷二十九》
文宣帝病情加重，因为常山、长广二王与文宣帝关系较近，很以文宣帝身后的事情为念。
文宣大渐，以常山、长广二王位地亲逼，深以后事为念。
Emperor Wenxuan's condition worsened. The two kings of Changshan and Changguang were closer to Emperor Wenxuan and were very concerned about what would happen after Emperor Wenxuan's death.