《宋史·列传·卷一百五十》
嘉泰元年，御史施康年弹劾周必大首先为诡诈之徒唱赞歌，又私植党派，皇上令降周必大为少保。
嘉泰元年，御史施康年劾必大首唱伪徒，私植党与，诏降为少保。
In the first year of Jiatai, the historiographer Shi Kangnian criticized Zhou as sly and deceptive and for creating his own faction. The emperor demoted him to Junior Protector.