《汉书·传·儒林传》
士孙张是博士，官至扬州牧，光禄大夫给事中，家中世代传业；彭祖，是真定太傅；衡咸，是王莽的讲学大夫。
张为博士，至扬州牧，光禄大夫给事中，家世传业。彭祖，真定太傅。咸，王莽讲学大夫。
Shisun Zhang was a doctor, and was an official as high as Yangzhou Mu and Guanglu Daifu who gave matters, and his family had passed on their profession for generations; Peng Zu was Zhen Ding Taifu; Heng Xian was Wang Mang's lecture Daifu.