《资治通鉴·汉纪·汉纪三十五》
征召费贻、任永、冯信，正巧任永、冯信病逝，只有费贻官至合浦太守。
征费贻、任永、冯信，会永、信病卒，独贻仕至合浦太守。
Fei Yu, Ren Yong, and Feng Xin were conscripted, but Ren Yong and Feng Xin happened to pass away from illnesses. Only Fei Yu attained the position of the Prefect of Hepu.