《资治通鉴·汉纪·汉纪五十七》
十一月，曹操到达易水，乌桓代郡部落单于普富卢、上郡部落单于那楼都来向曹操祝贺。
十一月，曹操至易水，乌桓单于代郡普富卢、上郡那楼皆来贺。
In November, Cao Cao arrived at Yishui, and the Wuhua Daijun tribe Shanyu Pufu Lu and the Shangjun tribe Shanyu Nalou came to congratulate Cao Cao.