《旧唐书·本纪·卷十五》
七月十七日，泾原节度使李去世，任命将作监王潜为泾州刺史、四镇、北庭、泾原节度使。
丙戌，泾原节度使李汇卒，以将作监王潜为泾州刺史、四镇北庭泾原节度使。
On the 17th of July, Li, the military governor of Jingyuan, died, and Wang Qian, the Supervisor of the Palace Building, was appointed as the Prefect of Jingzhou, and the military governor of Sichen, Beiting, and Jingyuan.