《宋史·列传·卷一百三十二》
又询问李纲、赵鼎是否平安，并进献宋朝前六位皇帝的遗容和徽宗的遗书。以后棺椁和太后归来的音讯，洪皓都事先报告。当初，洪皓到燕京，宇文虚中已接受金朝官职，于是推荐洪皓。
金人遂不欲留王，更请肃王，乃以兵送望之诣国王砦诘问。
He also asked about Li Gang and Zhao Ding's safety, and presented the remains of the first six emperors of the Song Dynasty and Emperor Huizong's will. Afterwards, Hong Hao reported on the return of the coffin and the empress dowager in advance. Originally, when Hong Hao arrived in Yanjing, Yuwen Xuzhong had already accepted a position in the Jin Dynasty, so he recommended Hong Hao.