《智囊(选录)·明智部·杨一清》
杨文襄任陕西巡抚时，创建平虏、红古两座城，作为固原的后援。
其抚陕西，则创城于平虏、红古二地，以为固原援。
When Yang Wenxiang served as the Governor of Shaanxi Province, he created Pinglu City and Honggu City as reinforcements for Guyuan City.