《资治通鉴·后汉纪·后汉纪三》
冬季，十月，王景崇派儿子王德让，赵思绾派儿子赵怀，到成都朝见后蜀主。
冬，十月，王景崇遣其子德让，赵思绾遣其子怀乂，见蜀主于成都。
In the tenth month of winter, Wang Jingzhong sent his son Wang De让and Zhao Siwan sent his son Zhao Huai to Chengdu to pay homage to the Lord of the Later Shu.