《资治通鉴·汉纪·汉纪二十三》
广汉郑躬的党羽日益增加，势力范围愈来愈广，曾攻击四个县，人众将近万人，州郡也镇压不住。
广汉郑躬等党与浸广，犯历四县，众且万人；州郡不能制。
Zheng Gong of Guanghan had an increasing number of partisans, and his sphere of influence was expanding. He had once attacked four counties, with nearly 10,000 people, and the prefecture and county could not suppress him.