《资治通鉴·唐纪·唐纪五十》
还应该选拔有能力的文武大臣出任陇右、朔方、河东三处的元帅，让他们分别统领分布在边境一带的各位节度使，对于不够重要的节镇，按照方便与就近加以合并。
又宜择文武能臣为陇右、朔方、河东三元帅，分统缘边诸节度使，有非要者，随所便近而并之。
We should also select competent civil and military officials to serve as the Marshals of Longyou, Shuofang, and Hedong, let them command the Jiedushi who are stationed in various places along the border, and merge the Jiedushi that are not that important according to convenience and proximity.