《北史·列传·卷四十三》
后来，唐邕、白建的地位声望越来越高，在二省内各置省主，命中书舍人分别掌管二省的事务，所以，世人都称二省为唐、白。元文遥，字德远，河南洛阳人。
卒，赠司空。元文遥，字德远，河南洛阳人也。
Later, the status and reputation of Tang Yong and Bai Jian became higher and higher. They each set up provincial governors in the two provinces and ordered the servants of the Zhongshu to be in charge of the affairs of the two provinces respectively. Therefore, the people of the world called the two provinces Tang and Bai. Yuan Wenyao, whose courtesy name was Deyuan, was from Luoyang, Henan.