《元史·列传·卷三十五》
世祖即位，置符宝局，任文忠为郎，授奉训大夫。因他排行第八，故世祖呼他为 董八 而不呼其名。
世祖即位，置符宝局，以文忠为郎，授奉训大夫，居益近密，尝呼董八而不名。
When Shizu took the throne, he established the Signet Bureau, and appointed Wen Zhong as Lang, and granted him the title of Deputy Director of Instruction. Since he was eighth in the family, Emperor Shizu called him "Dong Ba" instead of his name.