《资治通鉴·唐纪·唐纪三十五》
河南节度使虢王李巨率兵屯驻于彭城，命张巡为代理先锋使。
河南节度使虢王巨屯彭城，假巡先锋使。
Henan region military commander, the King of Guo, Li Ju, stationed his troops at Pengcheng and appointed Zhang Xun as acting commander of the vanguard.