《晋书·志·第五章》
盛尘四年，侨立魏郡、广、高阳、堂邑等各郡，与所统管的县都寄居于京邑，改称陵阳为广阳。
咸康四年，侨置魏郡、广川、高阳、堂邑等诸郡，并所统县并寄居京邑，改陵阳为广阳。
In the fourth year of Shengchen reign, the counties in Weijun, Guang, Gaoyang, and Tangye were established and attached to the counties under their jurisdiction. The counties lived in the capital and changed their name to Guangyang.