《新唐书·本纪·卷六·肃宗 代宗》
九月十二日，凤州刺史吕日将在三嗟谷与党项羌军作战，打败羌军。
九月戊子，凤州刺史吕日将及党项羌战于三嗟谷，败之。
On the 12th of September, Lu Rizi, the governor of Fengzhou, fought with the Dangxiang Qiang army in Sanchagu Valley and defeated the Qiang army.