《资治通鉴·唐纪·唐纪三十七》
秋季，七月，肃宗召郭子仪回京师，任命李光弼为朔方节度使、兵马元帅。
秋，七月，上召子仪还京师，以李光弼代为朔方节度使、兵马元师。
In autumn, the seventh month, Emperor Suzong summoned Guo Ziyi back to the capital and appointed Li Guangbi as the Governor of the Circuit of Protectorate General to the North of the River Luo and the Marshal of all troops and horses.