《旧唐书·本纪·卷十一》
十五日，凤翔陇右节度使李抱玉辞让司徒，皇上同意了，授予他左仆射、同平章事。
丙午，凤翔李抱玉让司徒，从之，授左仆射、同平章事。
On the 15th, Li Baoyu, the military governor of Longyou in Fengxiang, declined the post of minister of the interior, which the Emperor agreed to, and he was bestowed the post of left minister and minister of the department of chancellery.