《新唐书·本纪·卷五·睿宗 玄宗》
闰三月初六，幽州副总管郭英杰在都山与契丹交战，阵亡。
闰月癸酉，幽州副总管郭英杰及契丹战于都山，英杰死之。
On 6 June in the intercalary third month, the Deputy Chief Administrator of Youzhou, Guo Yingjie, was killed in battle with the Qidan on Dou Mountain.