《资治通鉴·唐纪·唐纪三十七》
戊子，任命郭子仪兼任宁、坊节度使，留在京师，借他的威名以镇抚党项。
戊子，以郭子仪领两道节度使，留京师，假其威名以镇之。
Wu Zi, appointed Guo Ziyi as commander of Ning and Fang Circuits, stayed in the capital, and used his reputation to appease the Party Xiang.