《汉书·传·魏相丙吉传》
地节三年，宣帝刘询立了太子，丙吉做太子太傅，几个月后，升迁为御史大夫。
地节三年，立皇太子，吉为太子太傅，数月，迁御史大夫。
In the third year of Dijie, Emperor Xuan Liu Xun established the crown prince and Bingji served as the crown prince's tutor. A few months later, he was promoted to be a historian.