《明史·志·卷五十二》
明代初年，又在各行省设置都镇抚司，设都镇抚，从四品，副镇抚，从五品，知事，从八品。
明初，又于各行省置都镇抚司，设都镇抚，副镇抚，知事。
In the early Ming dynasty, Zhenfu Commands were established in provinces and they were headed by a Zhenfu, Fourth Grade; a Deputy Zhenfu, Fifth Grade; with a Registrar, Eighth Grade.