by only a small elite portion of the entire army. Once the core was defeated, the demoralized masses quickly follow. References Chen Shou. Records of Three Kingdoms, Volume 6, Biography of Yuan Shao. Fan Ye. Book of the Later Han, Volume 73, Biography of Gongsun Zan. Fan Ye. Book of the Later Han, Volume 74. Jieqiao 191 Military history of Hebei 191