Official website of the Philippine Postal Corporation, with information about new stamp releases.
Recent news about Philippines stamps, from StampNews.com.
Wikipedia page providing a useful overview of the stamps and postal history of the Philippines.
Wikipedia listing of people depicted on the stamps of the Philippines, with links to biographical data.
A compilation of some of the best Philippine collections ever formed with over 10,500 quality images from every era. Researched descriptions with images include source, realizations, references, known copies, and so forth. This site that will take you to a higher level of understanding of what Philippine philately is all about.