《后汉书·列传·李固列传》
桓帝也恨了他。清河王蒜事发生以后，梁冀暗示管事人弹劾杜乔及李固与刘鲔勾结，请逮捕法办。
及清河王蒜事起，梁冀遂讽有司劾乔及李固与刘鲔等交通，请逮案罪。
Emperor Huan also hated him. After the Qinghe Wang Suan incident, Liang Ji hinted that those in charge impeach Du Qiao, Li Gu, and Liu Wei for colluding with each other, and requested that they be arrested and charged.