《北史·列传·卷四十七》
近代以来，那里分别设置兴古、云南、建宁、朱提四郡，人口繁多，财宝丰饶。二河盛产军马明珠，益州、宁州有盐井和珍奇的犀牛角。
近代已来，分置兴古、云南、建宁、硃提四郡，户口殷众，金宝富饶，二河有骏马明珠，益、宁出盐井犀角。
In recent times, Xinggu, Yunnan, Jianning, and Zhuti Counties were established, and the population is large and the resources are plentiful. The two rivers produce military horses and pearls, and Yizhou and Ningzhou have salt wells and rare rhinoceros horns.