《资治通鉴·隋纪·隋纪五》
炀帝始终令虎贲郎派一人监视齐王府的情况，杨稍微有点过失，虎贲郎便立即上报。
帝恒令虎贲郎将一人监其府事，暕有微失，虎贲辄奏之。
Emperor Yang always sent a Hu Ben Lang to monitor the situation in the Palace of King Qi, and as soon as Yang made a slight misstep, the Hu Ben Lang would immediately report it.