《史记·三十世家·三王世家》
四月戊寅日，进奏未央宫： 丞相臣青翟、御史大夫臣张汤冒死谏言：臣青翟等与诸位列侯、二千石级官吏、谏大夫、博士臣庆等商议：冒死奏请立皇子为诸侯王。
四月戊寅，奏未央宫。 丞相臣青翟、御史大夫臣汤昧死言：臣青翟等与列侯、吏二千石、谏大夫、博士臣庆等议：昧死奏请立皇子为诸侯王。
On the day of Wu Yin in April, the following was presented to the Weiyang Palace: The Prime Minister Qing Zhai and the Imperial Censor Zhang Tang risked their lives to remonstrate: Your subject Qing Zhai and others discussed with the marquises, the officials of the second thousand stone rank, the Remonstrating Grand Master, the Erudite Qing and others: We risk our lives to request that the prince be established as a feudal king.