《资治通鉴·唐纪·唐纪六十九》
陕州发生军乱，观察使崔碣被乱军驱逐；朝廷将崔碣贬为怀州司马。
陕州军乱，逐观察使崔碣；贬碣杯州司马。
In Shaanzhou, a military rebellion took place, driving away Observational Envoy Cui Jie; the imperial court demoted Cui Jie to Sima of Huaizhou.