《旧唐书·列传·卷一百二十七》
朱玫的宁军队攻打宝鸡，僖宗逃奔梁州、汉州，栈道被石协毁坏，在一路上崎岖险阻之中，杜让能始终不离僖宗左右。
邠师攻关，帝幸梁、汉，栈道为石协所毁，崎岖险阻之间，不离左右。
Zhu Mei's Ning army attacked Baoji, and Emperor Xizong fled to Liangzhou and Hanzhou. The栈道 was destroyed by Shixie. Along the way, Du Rangneng always stayed by Emperor Xizong's side.