《资治通鉴·唐纪·唐纪七十三》
秦宗权的另外一个将领常厚占据夔州，郭禹与他的手下将领汝阳人许存攻打夺占了夔州。
秦宗权别将常厚据夔州，禹与其将汝阳许存攻夺之。
Qin Zongquan's another general, Chang Hou, occupied Kuizhou. Guo Yu and his subordinate general Ruoyang Ren Xu Cun attacked and captured Kuizhou.