Angkor http://www.theangkorguide.com/
FREE download and a useful map. Here's a translation of Maurice Glaize's popular and definitive 1944 guide to the Angkor Monuments.
Angkor Temples http://home.hkstar.com/~l281868/angkor.htm
Angkor Wat-the pride of Cambodia, one of the seven architectural wonders in the world.
Asian Architecture: Cambodia http://www.waseda.ac.jp/projects/AsianArch/sites/cambd-E.html
Investigation of the Angkor architecture