《旧唐书·本纪·卷十九》
七月初五，决定任命武定军节度使、检校尚书左仆射，兼洋州刺史、御史大夫、上柱国、陇西郡公，食邑一千五百户李茂贞为检校司空、同平章事，兼凤翔尹、凤翔陇右节度使。
丙子，制以武定军节度使、检校尚书左仆射，兼洋州刺史、御史大夫、上柱国、陇西郡公、食邑一千五百户李茂贞检校司空、同平章事，兼凤翔尹、凤翔陇右节度等使。
On the fifth day of the seventh month, the decision was made to appoint the Martial Stabilizing Army Circuit Supervisor, Inspecting Minister of the Ministry of War, and concurrent Yang Prefecture Governor, Censor-in-chief, Pillar of the State, Duke of Longxi Commandery, and marquis who receives an annual stipend of fifteen hundred households, Li Maozhen, as Inspecting Minister of the Ministry of Works, Participant in deliberations on military affairs, and concurrent Fengxiang City Governor and Fengxiang and Longyou Circuit Supervisor.