《资治通鉴·唐纪·唐纪六十三》
又命天德、振武、河东三个藩镇训练士卒，修造兵器，等待今年秋季黠戛斯攻击回鹘残余时，拦击回鹘向南逃亡的残兵败将。上述部署，都委托刘和各个藩镇的节度使、团练使详细商议安排，然后向朝廷报告。
又令天德、振武、河东训卒砺兵，以俟今秋黠越斯击回鹘，邀其溃败之众南来者，皆委氵蒙与节度团练使详议以闻。
Furthermore, the three prefectures of Tiande, Zhenwu, and Hedong were ordered to train their soldiers, make weapons, and wait for Xiqie Si's attack on the remaining Huihu tribes in the autumn to intercept the fleeing remnants of the Huihu as they headed south. The details of the above deployments were to be arranged through discussions between Liu and the commissioners and military commanders of the various garrisons and then reported back to the court.