《宋史·列传·卷二百三十五》
许国处理淮东政事后，极力压制北方军，有与南方军竞争的事，他不管是非曲直都偏袒南方军，对北方军的犒赏才十分之七八。
国既视事，痛抑北军，有与南军竞者，无曲直偏坐之，犒赉十裁七八。
After Xu Guo was put in charge of Huaidong affairs, he intensely suppressed the Northern army, whenever he dealt with the matter of competition with the Southern army, he would always take the side of the Southern army regardless of the right or wrong, when it came to giving rewards, the Northern army would only receive 70 or 80% of what should have been given to them.