《元史·本纪·卷五》
任命王德素充任国信使，刘公谅为副使，出使宋朝，致信宋朝皇帝，质问他扣留郝经的原因。
以王德素充国信使，刘公谅副之，使于宋，致书宋主，诘其稽留郝经之故。
Wang Desu was appointed as the envoy of the state credential, and Liu Gongliang as the deputy envoy, to send a letter to the Song Dynasty, questioning the reason for his detention of Hao Jing.