《宋史·本纪·卷二十七》
十五日，程昌辨派遣杜湛讨伐杨钦等，打败杨钦，并斩杀三千多人。
辛丑，程昌寓遣杜湛讨杨钦等，败之，杀三千余人。
On the fifteenth day, Cheng Changbian dispatched Du Zhan to attack Yang Qin and others. He defeated Yang Qin and killed more than 3,000 people.