《旧唐书·本纪·卷十九》
杨复恭兄弟和河中节度使王重荣、太原刺史李克用有联兵击败黄巢贼军的旧谊，便上奏，请求派遣谏议大夫刘崇望带着圣旨前去王重荣、李克用处宣布谕令，表示杨复恭再次与他们联兵破贼的意思。
杨复恭兄弟于河中、太原有破贼连衡之旧，乃奏遣谏议大夫刘崇望赍诏宣谕，达复恭之旨。
The Yang Fugong brothers and Wang Chongrong, Military Governor of Hezhong, and Li Keyong, Governor of Taiyuan, had an old friendship from when they had joined forces to defeat Huang Chao's bandits. They submitted a memorial, requesting to dispatch Supervising Censor Liu Chongwang to Wang Chongrong and Li Keyong with an imperial edict, expressing Yang Fugong's intention to once again join forces with them to defeat the bandits.