《明史·志·卷五十九》
十四年，决堤于开封十四个州县，经由怀远，从涡河流入淮。
十四年决开封州县十四，经怀远，由涡河入於淮。
In the 14th year, the dikes broke in 14 prefectures and counties in Kaifeng, and the waters flowed via Huaiyuan into the Wo River and then into the Huai.