《旧唐书·本纪·卷十二》
现在又任命韩洄兼任度支使，又命令金部郎中杜佑暂代办理江淮水陆运使，完全和刘晏、韩一样兼任，这正是杨炎排斥刘晏啊！
今又命洄判度支，令金部郎中杜佑权勾当江淮水陆运使，一如刘晏、韩滉之则，盖杨炎之排晏也。
Han Hui was now appointed to serve concurrently as Financial Commissioner, and Jinbu Supervisor Du You was ordered to temporarily replace the administration of Jiang Huai Waterways and Land Transport Commissioner. This was completely the same as Liu Yan and Han, who were serving concurrently, and this was precisely Yang Yan excluding Liu Yan!