http://tagaloglang.com/Filipino-Culture/Religion/religion-in-the-philippines.html
http://en.wikipedia.org/wiki/Religion_in_the_Philippines
http://philembassy.be/index.php?option=com_content&view=article&id=85&Itemid=195
http://en.wikipedia.org/wiki/Religion_in_the_Philippines
http://philembassy.be/index.php?option=com_content&view=article&id=85&Itemid=195
http://geography.about.com/library/cia/blcphilippines.htm