Other
Canby: History of Angkor
A comprehensive history of Angkor, the temples, and the rulers who built them over several centuries. There is a nice timeline showing what was built by whom.
Travel Document Systems
Tds: Cambodia: History
Read this history of Cambodia which concentrates mainly on the disaster of the Khmer Rouge government and the progress Cambodia has made in the recent past. From U.S. State Dept. Background Notes.
Other
Guide to Thailand: History of Thailand & Southeast Asia
A summary on the history of Southeast Asia. Click on the topics in the left side navigation bar to go to other chapters in the history.