《宋书·列传·卷九十九》
严道育逃跑了，追捕不到，文帝大怒，彻底追究这些事，分派使者到东方各郡搜捕，还是找不到。
道育叛亡，讨捕不得。上大怒，穷治其事，分遣中使入东诸郡搜讨，遂不获。
Yan Daoyu ran away and could not be caught. The emperor was furious and thoroughly investigated these matters, sending envoys to search the eastern prefectures, but still could not be found.