《宋书·志·卷十四》
过去漠灵帝时代，立春尚斋迎气于束郊，尚书左丞在南书寺殴打陌使致死，于是诏书说： 议郎蔡邕、博士任敏，你们认为是否可以继续举行祭祀?
昔汉灵帝世，立春尚斋迎气东郊，尚书左丞殴杀陌使于南书寺，于是诏书曰： 议郎蔡邕、博士任敏，问可斋祠不？
In the past, during Emperor Liling's era, Shangchun still offered sacrifices to welcome the gods in the eastern suburbs. The Zuo Cheng of Shangshu (Minister of the Left) beat a foreign envoy to death at Nan Shu Temple, thus the edict said: Councilor Cai Yong and Doctor Ren Min, do you think it is still possible to continue to hold the sacrifices?