《北史·列传·卷四十三》
京城洛阳沦陷，房谟被朱氏任命的建州刺史是兰安定抓获，关在州中的监狱。
及京都沦覆，为贼党建州刺史是兰安定执系州狱。
The capital, Luoyang, fell, and Fang Mo was arrested by Lan Diding, the prefect of Jianzhou appointed by the Zhu clan, and imprisoned in the prison in the state.