《魏书·列传·卷十五》
穆亮上奏请求杨卜任广业太守，豪强都高兴，境内很安宁。
亮表卜为广业太守，豪右咸悦，境内大安。
Mu Liang requested in a memorial to make Yang Bo the Prefect of Guangye; all the strongmen were delighted, and the territory became very peaceful.