《资治通鉴·晋纪·晋纪八》
刘舆劝说司马越派他弟弟刘琨镇守并州，以增强北方的防务，司马越就表奏刘琨为并州刺史，以东燕王司马腾任车骑将军，都督邺城诸军事，镇守邺城。
舆说越遣其弟琨镇并州，以为北面之重；越表琨为并州刺史，以东燕王腾为车骑将军、都督鄴城诸军事，镇鄴。
Liu Yu persuaded Sima Yue to send his younger brother Liu Kun to guard Bingzhou to strengthen the northern defenses. Sima Yue recommended Liu Kun as the governor of Bingzhou, and Sima Teng, Prince of Dongyan, as the General of the Chariots and Cavalry, who supervised the various military affairs in Yecheng and guarded Yecheng.