《资治通鉴·汉纪·汉纪三十七》
永平六年春季，二月，有宝鼎在王洛山出土，献给明帝。
显宗孝明皇帝下永平六年春，二月，王雒山出宝鼎，献之。
In spring of the sixth year of Yongping, in the second lunar month, a treasure cauldron emerged from Mount Wangluo and was presented to Mingdi.