《资治通鉴·后晋纪·后晋纪五》
李守贞围攻青州已经很长时间，城中食粮用尽，饿死的人有一大半。
李守贞围青州经时，城中食尽，饿死者太半。
Li Shouzhen had been besieging Qingzhou for a long time, the food in the city had run out, and half of the population had starved to death.