《南史·列传·卷六十三》
太清二年，侯景已违背盟约，羊鸦仁便和赵伯超以及南康王萧会理一起攻打敌人所占的东府城，但反被敌人所败。
太清二年，景既背盟，鸦仁乃与赵伯超及南康王会理共攻贼于东府城，反爲贼败。
In the second year of Taiching, Hou Jing had already broken the covenant, Yang Yaren and Zhao Bochao, along with King Xiao Huili of Nankang, attacked the Dongfu city occupied by the enemy, but were defeated by the enemy.