《宋书·志·卷三十七》
习凿齿说，魏武帝占据荆州时，分划南郡的枝江以西地域为临江郡，建安十五年，刘备改名为宜都。
习凿齿云，魏武平荆州，分南郡枝江以西为临江郡；建安十五年，刘备改为宜都。
Xi Zaozhi said that when Wei Wudi occupied the Jingzhou county, he separated the area of Zhijiang west of Nanjun County as Linjiang County. In the 15th year of Jian'an, Liu Bei changed the name to Yidu. 