《资治通鉴·唐纪·唐纪六十九》
甲戌，李克用入防御使府处理事务。并命将士们上表朝廷请求皇帝的正式任命；朝廷不予同意。
甲戌，克用入府舍视事，令将士表求敕命；朝廷不许。
Jiaxu, Li Keyong entered the Defense Envoy's Mansion to handle affairs. He also ordered the soldiers to petition the court for the emperor's official appointment; the court refused.