《金史·列传·卷五十二》
两行省并约宋军统帅赵范、赵葵一起夹攻北军。
两行省乃约宋帅赵范，赵葵为夹攻之计。
The two administrative provinces joined forces with Commanders Zhao Fan and Zhao Kui of the Song army and together launched a pincer attack against the northern army.