《资治通鉴·后梁纪·后梁纪三》
刘岩派遣军队进攻容州，马殷派遣都指挥使许德勋率领桂州兵前去救援。姚彦章不能守住州城，于是迁移容州士民及其库贮财物投奔长沙，刘岩终于取得了容管及高州。
刘岩遣兵攻容州，殷遣都指挥使许德勋以桂州兵救之；彦章不能守，乃迁容州士民及其府藏奔长沙，岩遂取容管及高州。
Liu Yan sent troops to attack Rongzhou. Ma Yin sent the general-in-chief Xu De Xun and the soldiers of Guizhou to rescue Rongzhou. Yao Yan Zhang could not defend the city, so he moved the civilians and government treasury to Changsha. Liu Yan finally occupied Rongzhou and Gaozhou.