《旧唐书·本纪·卷二十》
此前，兖州、郓州向太原的李克用求救，李克用命令藩将史完府、何怀宝等率一千名骑兵前往。
初，兗郓示援于太原，克用令蕃将史完府、何怀宝等千骑赴之。
Before this, Yanzhou and Yizhou asked Li Keyong of Taiyuan for help, and Li Keyong ordered Fan Jiang Shi Wanfu and He Huaibao to lead 1,000 cavalrymen to go there.