《元史·列传·卷九十五》
十一月，王礻直遣同知枢密院事李昌庆奉表谢大元皇帝许联姻之事。
十一月，禃遣其同知枢密院事李昌庆奉表谢许婚事。
In November, King Wang Shi-ch'ang sent Li Changqing, who was the vice minister of the privy council, to express his gratitude to the Emperor of Yuan for permitting their marriage.