《新唐书·本纪·卷五·睿宗 玄宗》
十四日，恒山郡太守颜杲卿打败并俘获何千年，攻克赵、钜鹿、广平、清河、河间、景城、乐安、博平、博陵、上谷、文安、信都、魏、邺十四个郡。
己亥，恒山郡太守颜杲卿败何千年，执之，克赵、钜鹿、广平、清河、河间、景城、乐安、博平、博陵、上谷、文安、信都、魏、鄴十四郡。
On the 14th, Yan Gaoging, governor of Hengshan Commandery, defeated and captured He Qiannian and conquered 14 counties: Zhao, Julu, Guangping, Qinghe, Hejian, Jingcheng, Lu'an, Boping, Boling, Shanggu, Wen'an, Xin. du, Wei, and Ye.