Cast Chinese Coins, David Hartill, Trafford Publishing, 2005, ISBN 978-1-4120-5466-9, ... The Liao Dynasty ... In 1120, they were defeated by the Jin, and withdrew to the west ...
The History of China, Britannica Educational Publishing, The Rosen Publishing Group, 2010, ISBN 978-1-61530-181-2, ... In 1234 the emperor committed suicide, and organized resistance ceased. The southern border of the former Jin state — the Huai River — now became the border of the Mongol dominions in northern China ...
