《明史·志·卷五十五》
嘉靖初年，谕德顾鼎臣说： 成、弘时期，每年把存留的余米纳入预备仓，遇到紧急情况便有所防备。
嘉靖初，谕德顾鼎臣言： 成、弘时，每年以存留馀米入预备仓，缓急有备。
In the early years of the Jiajing reign, Imperial Edictor Gu Dingchen said: In the Cheng and Hong eras, leftover grain was stored in the emergency reserves each year as a precaution against emergencies.