《水经注·卷三十九》
又往北流过彭泽县西边，循水发源于艾县西边，往东北流经豫宁县，豫宁就是旧时的西安。晋太康元年改为今名。
又北过彭泽县西，循水出艾县西，东北径豫宁县，故西安也，晋太康元年更从今名。
Then it flows north and passes to the west of Pengze County. The source of the Xun River is to the west of Aihua, and it flows northeast through Xunyang, which was known in former times as Xiana. It was given its present name in the first year of the Jin Taikang era.