An excellent site for to view Indian photography both antique and contemporary is the Tasveer Gallery from Bangalore, including the work of Saibal Das whose work is at the moment featured by the BBC News.
With photographic and scholarly studies on the magnificent 12th century temple complex at Angkor Wat and the Bayon. Together with illustrated volumes on the arts, ceramics, dance and sculpture. For outstanding collections of Khmer art visit the websites of the Musee Guimet and the National Museum of Cambodia.
The website at Oriental Architecture offers a good overview of the temple complexes of Cambodia.
Asia Fine Books also carries a collection of antique postcards and laser and silver gelatin prints of scenes in Cambodia and India from the beginning of the last century.
Always accepting single volumes and collections in the field of Asian art and history. I will take your books on consignment and try to get the very best price for you based on value.