https://www.worldhistory.org/audioplayer/en/1-16363/
Audio Article: Jurchen Jin Dynasty
https://www.thecollector.com/song-liao-jurchen-jin-yuan-chinese-dynasties/
An Overview of the Song, Liao, Jurchen Jin, and Yuan Chinese Dynasties | TheCollector
While Chinese civilization flourished under the Song Dynasty, large parts of northern China were ruled by rival dynasties until the Mongol conquest reunified...