《宋书·志·卷十四》
魏高贵乡公苴灵三年，皇帝亲自率领百官到太学举行养老的典礼。
魏高贵乡公甘露二年，车驾亲率群司行养老之礼于太学。
In the third year of Wei Gaogui Xiangong Ju Ling, the emperor personally led hundreds of officials to Taixue to hold an elderly care ceremony.