《资治通鉴·晋纪·晋纪二十三》
前秦王苻坚让前将军杨安、建威将军王抚率领二万骑兵，会合王猛前去救援李俨。
秦王坚使前将军杨安、建威将军王抚帅骑二万，会王猛以救俨。
Emperor Fu Jian of Former Qin had General Yang An and General Wang Fu lead 20,000 cavalry to join forces with Wang Meng in the rescue of Li Yan.