《宋史·本纪·卷九》
二十三日，西平王赵德明、交趾王李德政都加赐功臣。
辛丑，西平王赵德明、交阯王李德政并加赐功臣。
On the twenty third, Xiping King Zhao Deming and King Li Dezheng of Giao Chi were both additionally rewarded with the title "deserving subject".