《资治通鉴·梁纪·梁纪二十二》
六月，庚戌朔，北齐征发民工一百八十万人修筑长城，从幽州夏口向西延伸到恒州，共九百多里长，朝廷任命定州刺史赵郡王高睿带兵去监督工程进展。
六月，庚戌朔，齐发民一百八十万筑长城，自幽州夏口西至恒州九百馀里，命定州刺史赵郡王睿将兵监之。
In June, on Gengxu Day, Northern Qi recruited 1,800,000 civilians to build the Great Wall, which stretches more than 900 miles westward from Xiakou in the State of You to Hengzhou, and the court appointed Gaorui, King of Dingshou and Magistrate of Dingzhou, to lead the troops to supervise the construction progress.