History of China
A good read and a large site on the history of China in the period we deal with.
Sung Dynasty Biblography site
The purpose of this site is to provide a convenient teaching and learning environment on one site for users to do research and to discuss Sung literature in a friendly workbench
Chinese History Forum
China History Forum is an online chinese history forum, discussion board or community for all who are interested in learning and discussing chinese history from prehistoric till modern times, including chinese art of war, chinese culture topics.