《后汉书·列传·西羌传》
段禧病逝，朝廷再次以前任校尉侯霸接任校尉，侯霸迁到张筮驻守。
段禧病卒，复以前校尉侯霸代之，遂移居张掖。
Duan Xi died of illness, and the court reappointed the former school captain Hou Ba as the school captain. Hou Ba moved to Zhangshi to garrison.