A plague struck the capital; envoys were sent to console the people and give medicine, and coffins were given to the dead who had no family. (Book of Song (Songshu), Annals 宋書 卷5 元嘉4年 5月)
He entered the city of Tongwan and seized the clan of Helian Chang and much treasure; the capital of Great Xia fell. (Book of Wei (Weishu), Imperial Annals 魏書卷4上·始光四年)
Northern Wei Taiwudi entered the walled city of Tongwan and captured the kings, dukes, and consorts of Xia by tens of thousands. (Zizhi Tongjian (Comprehensive Mirror) 卷120)