《资治通鉴·晋纪·晋纪三十六》
后秦任命杨盛为都督益、宁二州诸军事，征南大将军，益州牧。
秦以盛为都督益、宁二州诸军事、征南大将军、益州牧。
The Later Qin appointed Yang Sheng as the military governor of Yi and Ning, the great general of the South, and the governor of Yi province.