《资治通鉴·梁纪·梁纪十六》
任命羊鸦仁为司、豫两州刺史，镇守悬瓠；任命西阳太守羊思达为殷州刺史，镇守项城。
以鸦仁为司、豫二州刺史，镇县瓠；西阳太守羊思达为殷州刺史，镇项城。
Yang Yaren was appointed as a historian of Chu and Yu provinces, guarding Xuhucheng; and Yang Sida, prefect of Xiyong, was appointed as a historian of Yin province, guarding Xiangcheng.