《资治通鉴·隋纪·隋纪一》
隋纳言苏威上奏请求在地方上每五百家设置乡正一人，管理本乡百姓，审理诉讼纠纷。
苏威奏请五百家置乡正，使治民，简辞讼。
Su Wei, a Sui Dynasty envoy, played a memorial requesting that one township chief be set up in each of the 500 families in the locality to manage the people of this township and adjudicate lawsuits.