《资治通鉴·晋纪·晋纪十六》
氐族王蒲洪、羌族首领姚弋仲都归降石虎。石虎上表荐举蒲洪监察六夷军事，姚弋仲任六夷左都督。
氐王蒲洪、羌酋姚戈仲俱降于虎，虎表洪监六夷军事，弋仲为六夷左都督。
King Pu Hong of the Di and Yao Yizhong, the leader of the Qiang, surrendered to Shi Hu. Shi Hu recommended Pu Hong as the military supervisor of the Six Barbarians, and Yao Yizhong as the left governor of the Six Barbarians.