《资治通鉴·唐纪·唐纪三十五》
到达宁陵，与宁陵城使廉垣一起率领步、骑兵三千人，闰月戊申夜，突进叛军的包围圈，边战边进，来到睢阳城下，与叛军交战，毁坏了敌营，自己所率领的军队伤亡很大，只剩下一千人得以入城。
至宁陵，与城使廉坦同将步骑三千人，闰月，戊申夜，冒围，且战且行，至城下，大战，坏贼营，死伤之外，仅得千人入城。
He arrived in Ningling and, together with Ningling City Envoy Lian Yuan, led 3,000 infantry and cavalry. On the night of the Wushen day of the intercalary month, he suddenly advanced through the rebel encirclement, fighting all the way until they reached the bottom of Suiyang City. They engaged in combat with the rebels, destroyed the enemy camp, and suffered heavy casualties. Only 1,000 troops were able to enter the city.