《资治通鉴·唐纪·唐纪三十六》
肃宗任命开府仪同三司李嗣业为怀州刺史，兼镇西、北庭行营节度使。
以开府仪同三司李嗣业为怀州刺史，充镇西、北庭行营节度使。
Emperor Suzong appointed Li Siye, Duke of Kai Mansion and Fellow of the Three Commissions, as Governor of Hua Prefecture serving concurrently as the Military Governor of Zhenxi and Beiting Camp.