《资治通鉴·汉纪·汉纪三十九》
他的建议被一一采纳实施。博士鲁国人曹褒上书指出： 应当建立典章制度，编写汉朝礼仪大典。 太常巢堪认为： 这是一代大典，非曹褒这样地位的人所能制定，不可应许。 
博士鲁国曹褒上疏，以为 宜定文制，著成汉礼 ，太常巢堪以为 一世大典，非褒所定，不可许。 
All his suggestions were approved. Cao Bao, a Doctor from Lu, submitted a memorial suggesting that the etiquette of the Han Dynasty should be standardized and compiled into an imperial code. Tai Chang Chao Kan argued that this is a great code that cannot be established by someone of Cao Bao's status, and that it should not be permitted.