《新五代史·列传·梁臣传第十》
梁太祖登位，刘郡屡经升迁任左龙武统军。
太祖即位，累迁左龙武统军。
The founding emperor of the Later Liang ascended to the throne, and Liu Jun was promoted again and again. He became the leader of the Zuo Longwu Military Forces.