《资治通鉴·晋纪·晋纪三十六》
八月，秃发檀命令兴城侯秃发文支镇守姑臧，自己回到乐都。他虽然接受后秦国的爵位任命，但他所使用的车辇、服装、礼仪等，都与帝王的一样。
八月，秃发傉檀以兴城侯文支镇姑臧，自还乐都；虽受秦爵命，然其车服礼仪，皆如王者。
In the eighth month, Tufa Tan ordered Marquis Xingcheng, Tufa Wenzhi, to guard Guzang, while he returned to Ledou. Although he accepted the titles from the Later Qin state, the carriages, clothing, and rituals that he used were all those reserved for an emperor.