《旧唐书·列传·卷八十三》
这年四月，有诏加封李晟为京畿、渭北、坊、商、华兵马副元帅。
四月，有诏加晟京畿、渭北、鄜坊、商华兵马副元帅。
In April of that year, there was an imperial edict to grant Li Cheng the title of vice commander-in-chief of troops in Jingji, Weibei, Fang, Shang, and Hua.