《金史·列传·卷四十六》
正大二年，重新起用胥鼎，拜为平章政事，进封英国公，在卫州设立尚书行省。
正大二年，起复，拜平章政事，进封英国公，行尚书省于卫州。
In the second year of the Zhengda era, Xu Ding was reinstated in his post and enfeoffed as the Duke of England. He established an imperial headquarters in Weizhou.