《宋书·志·卷三十五》
泰始七年，又设置束海县，隶属于束海郡，又分割赣榆县设置郁县，建立了西海郡，让它们都隶属于侨立的青州。
泰始七年，又立东海县属东海郡，又割赣检置郁县，立西海郡，并隶侨青州。
In the seventh year of Taishi, he also established Shumixian County, which was under the jurisdiction of Shuhai County, and he divided Ganyu County into Yuxian County to establish Xihai County, and these were all under the jurisdiction of the established Qingzhou.