《资治通鉴·后晋纪·后晋纪二》
八月，后晋高祖给契丹国主耶律德光及述律太后上尊号，戊寅，任命冯道为太后册礼使，左仆射刘煦为契丹主册礼使，配备着卤簿、仪仗、车辂，送至契丹行礼；契丹主极为高兴。
八月，帝上尊号于契丹主及太后，戊寅，以冯道为太后册礼使，左仆射刘煦为契丹主册礼使，备卤薄、仪仗、车辂，诣契丹行礼；契丹主大悦。
In the eighth month, the Founding Emperor of Later Jin presented the Khitan ruler Yelu Deguang and Empress Dowager Shulu with honorary titles. On the day of Wu-yin, Feng Dao was appointed as the Envoy of the Empress Dowager's Investiture Ceremony, and Liu Xu, the Left Prefect, as the Envoy of the Khitan Ruler's Investiture Ceremony. They took halberds, guards of honor, and chariots to the Khitan to perform the ceremony, which the Khitan ruler was very happy about.