《明史·列传·卷四十三》
正统初年，朝廷意见认为脱欢虽然已来归附，但他狡猾的阴谋不可预测，皇上命谭广以及其他镇的总兵官陈怀、李谦、王献上对策。
正统初，朝议以脱欢虽款塞，狡谋未可测，命广及他镇总兵官陈怀、李谦、王彧图上方略。
At the beginning of the Zhengtong era, it was the opinion of the court that even though Tuo Huan had come to submit, his cunning and deceitful plots were unpredictable, so His Majesty ordered Tan Guang and other military governors of the garrison towns, Chen Huai, Li Qian, and Wang Xian to put forward countermeasures.