《明史·志·卷五十六》
十三年，给事中管怀理说： 盐法的败坏，它的弊端有六点。
十三年，给事中管怀理言： 盐法之坏，其弊有六。
In the thirteenth year, Guan Huaili, a former minister of the Ministry of Rituals, said: There are six disadvantages to the corruption of the salt laws.