《旧五代史·后晋·列传四》
少帝于是命景延广出守洛阳，让桑维翰担任中书令，又任枢密使、弘文馆大学士，接着，封为魏国公。
少帝乃出延广守洛，以维翰守中书令，再为枢密使、宏文馆大学士，继封魏国公。
The emperor, thereupon, ordered Jing Yangguang to leave for Luoyang, allowed Sang Weihan to take over the Zhongshu Ling, and, yet again, serve as the privy envoy and grand academician of the Hongwen Hall, and then, to make him the Lord of the Wei.