《资治通鉴·汉纪·汉纪九》
卫尉李广担任骁骑将军，驻守云中郡，中尉程不识担任车骑将军，驻守雁门郡。
卫尉李广为骁骑将军，屯云中；中尉程不识为车骑将军，屯雁门。
Weiwei Li Guang was appointed General of the Swift Cavalry and stationed in the Yunzhong commandery; Zhongwei Cheng Bush was appointed General of the Chariots and Cavalry and stationed in the Yanmen commandery.