《水经注·卷三十六》
兰仓水又往东北流经不韦县，与类水相汇合。类水发源于钱唐县，崔唐县在汉武帝时设置。
兰仓水又东北径不韦县，与类水合，水出巂唐县，汉武帝置。
The Lan Cang River flows northeast and joins with the Lei River. The Lei River originates in Qiantang County, which was established during Emperor Wu of the Han Dynasty.