《宋史·本纪·卷三十四》
二十九日，派遣左司谏汤邦彦等出使金朝申明朝廷意见。
丁丑，遣左司谏汤邦彦等使金申议。
On the twenty-ninth day, the Left Assistant Censor, Tang Bangyan, and others were dispatched as envoys to the Jin Dynasty to convey the imperial court's opinions.