《金史·列传·卷十五》
宗弼晋升拜为太傅，于是差遣左宣徽使刘薚出使宋朝，拿衮冕圭宝玉册册封康王为宋朝皇帝。
宗弼进拜太傅。乃遣左宣徽使刘筈使宋，以衮冕圭宝佩璲玉册册康王为宋帝。
Zongbi was promoted and appointed as the Imperial Tutor, so the Left Xuanhui Envoy Liu Ni was sent as an envoy to the Song Dynasty to give ceremonial robes, jade scepter, and an Imperial Edict to bestow upon the Prince of Kang as the Emperor of Song.