《三国志·蜀书·后主传》
延熙五年春正月，监军姜维率领一部兵马，自汉中南返回涪县驻守。
五年春正月，监军姜维督偏军，自汉中还屯涪县。
On the first lunar month of spring in the 5th year of Yanxi, the Overseer Jiang Wei led one part of the troops from Hanzhong back south to Fuxian County to駐守.