《元史·列传·卷九十四》
铁失在英宗即位之初，以翰林学士承旨、宣徽院使的头衔，任太医院使。
◎逆臣铁失者，当英宗即位之初，以翰林学士承旨、宣徽院使为太医院使。
In the reign of Emperor Yingzong, Tie Shi held the position of Director of the Imperial Medical Office with the titles of Bachelor of Hanlin Academy Reporting on Imperial Edicts and Envoy of the Xuanhui Institute.