《旧五代史·后晋·列传六》
武皇平定云州，庄宗攻战柏乡，李周都有功劳，被提升为匡霸军都指挥使。
武皇之平云州，庄宗之战柏乡，周皆有功，迁匡霸都指挥使。
Emperor Wu pacified Yunch州, and Zhuang Zong fought in Baxian, Li Zhou made contributions, and he was promoted to the commander of Kuangba Army.