《明史·志·卷四》
五年八月，嵊县、棰蛊、余杭山谷中大水涌出，人民被淹死很多。
五年八月，嵊县、义乌、余杭山谷水涌，人民溺死者众。
In the eighth month of the fifth year, a big flood occurred in valleys of Sheng county, Bangui county, and Yuhang county. Many people drowned.