I am finding a site so I can learn advanced three-point perspective methods. Can you help me?

I went to http://www.google.com and entered your search terms: advanced three-point perspective methods. Here are the results:

http://www.google.com/search?q=advanced+three-point+perspective+methods&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA_en

There seem to be several links in here that should help you.