《明史·志·卷四十四》
嘉靖年间，在清宁宫后面地上建慈庆宫，在仁寿宫旧地基上建造慈宁宫。
嘉靖中，于清宁宫后地建慈庆宫，于仁寿宫故基建慈宁宫。
During the Jiajing reign, the Ciqing Palace was built on the ground behind the Qingning Palace, and the Cining Palace was built on the old site of the Renshou Palace.