《资治通鉴·齐纪·齐纪五》
辛亥，北魏从洛阳发兵，以北海王拓跋详为尚书仆射，留下来统管朝中之事；使李冲兼仆射，固守洛阳。
辛亥，发洛阳，以北海王详为尚书仆射，统留台事；李冲兼仆射，同守洛阳。
On Xinhai day, Northern Wei marched from Luoyang. The King of Beihai, Tuoba Xiang, served as Minister of the State, staying behind to take charge of the affairs of state. Li Chong was also appointed Minister of the State, and stationed in Luoyang to protect the country.