《明史·志·卷六十六》
五年，设立亲王护卫指挥使司，每府三个护卫，卫设左、右、中、前、后五所；每所，千户两名，百户十名。
五年，置亲王护卫指挥使司，每府三护卫，卫设左、右、中、前、后五所；所，千户二，百户十。
In the fifth year, the King's Guard Command was established, with three guards in each prefecture, and each guard had five divisions: left, right, center, front, and rear; each division had two thousand households and ten hundred households.