《资治通鉴·汉纪·汉纪三十七》
春季，正月，东平王刘苍和诸位亲王一同进京朝见。一个多月后，返回封国。
春，正月，东平王苍与诸王俱来朝，月馀，还国。
In spring, the first month of the year, the King of Dongping, Liu Cang, came to the capital Beijing to pay homage to the emperor together with other royal relatives. More than one month later, he returned to his fief.