《明史·列传·卷二百一十六》
脱脱不花率领兀良哈部进犯辽东，阿剌知院率人入侵宣府，并包围了赤城，同时又派另一支骑兵进犯甘州，也先则自己率军入侵大同。
脱脱不花以兀良哈寇辽东，阿剌知院寇宣府，围赤城，又遣别骑寇甘州，也先自寇大同。
Tuo Tuohua led the Wuliangha tribe to invade Liaodong, Alazhiyuan led the invasion of Xuanfu, and besieged Chicheng, and at the same time sent another cavalry to invade Ganzhou, while he led the army to invade Datong.