《旧唐书·列传·卷一百五十》
天宝十一年，安禄山奏请朝廷任命他为屯田员外郎。
天宝十一年，禄山表为屯田员外郎。
In the eleventh year of the Tianbao era, An Lushan requested the court to appoint him as additional military commissioner for reclaiming wasteland.