《北史·列传·卷六十七》
大业十年，齐郡贼兵元帅孟讠襄自长白山而下侵犯掳掠诸郡，到了盱眙，已有十多万人。
十年，齐郡贼帅孟让自长白山寇掠诸郡，至盱眙，有众十余万。
In the tenth year of the Great Cause, Meng Xiang, the marshal of the Qi County bandits, invaded and plundered various counties from the Changbai Mountains, and had more than 100,000 men when he reached Xuyi.