《宋史·列传·卷四十九》
西夏赵元昊称臣降服后，狄青调任真定路副都总管，历任侍卫步军殿前都虞候、眉州防御使，升步军副都指挥使、保大安远二军节度观察留后，又升马步军副都指挥使。
元昊称臣，徙真定路副都总管，历侍卫步军殿前都虞候、眉州防御使，迁步军副都指挥使、保大安远二军节度观察留后，又迁马军副都指挥使。
After Xixia Zhao Yuanhao expressed submission, Di Qing was transferred to Deputy Chief Administrator of Zhending Road, served as various positions such as Assistant Commander of the Imperial Guards Infantry, Defence Commissioner of Meizhou, Deputy Commander of the Infantry, and Military Governor of Baoda and Anyuan, and was later promoted to Deputy Commander of the Infantry and Cavalry.