《宋史·列传·卷二百零七》
徐州教授郑褒也痛骂敌人而死，州城开始被攻破时，赵立展开巷战，夺门而出。
州教授郑褒亦骂敌而死。
Xuzhou Professor Zheng Bao also cursed the enemy to death. When the state city began to be breached, Zhao Li launched a street war, snatched the door and rushed out.