《新唐书·本纪·卷七·德宗 顺宗 宪》
七月十三日，朔方节度使杜希全任朔方、灵盐及丰、夏、绥、银节度都统。
七月甲子，朔方节度使杜希全为朔方、灵盐、丰夏绥银节度都统。
On July 13th, Du Xiquan, the governor of Shuofang, was appointed the governor of Shuofang, Lingyan, and Feng, Xia, Sui, and Yin.