Internet History Sourcebooks Project
Fordham University: East Asian History Sourcebook: Court Life in China
The in depth story of the Empress Dowager Tsi-hsu who was a great supporter of the Boxers.
Other
Kings College: Tzu Hsi: The Dowager Empress of China
This is an informative piece about Empress Dowager Cixi and her rise to power in China. It contains an excellent bibliography with further research sources.