《宋书·志·卷十六》
晋武帝太康三年止月，武帝亲自举行郊祀皇太子、皂弟、皇广全都陪侍祭祀，这不是前代的礼典。
晋武帝太康三年正月，帝亲郊礼。皇太子、皇弟、皇子悉侍祠，非前典也。
In the third year of the lunar month of Emperor Wudi of the Jin Dynasty, Emperor Wudi personally held a suburban sacrifice to worship the crown prince, his younger brother, and the emperor's great grandson. This was not a ritual of the previous generations.