Here you can find a stock of links related to
Philately of different countries
NETMAGAZINE JAPHILA Editor: Bretislav Janik.
Eesti Filateelia - Estonian Philately Web (Elmo Viigipuu)
Bill Apsit's Site
The Netherlands. FILAHOME Editor: R.T. van Capelleveen.
Polish Philatelic site
The ROSSICA Society is a world-wide society devoted to all aspects of Russian philately, from the pre-stamp days of Imperial Russia to current post-Soviet philately.
The British Society of Russian Philately, affiliated to the Association of British Philatelic Societies. Serving Philately since 1936
Ukrainian Philatelic and Numismatic Society
U S A
American Philatelic Society with 50,000+ members in more than 110 countries is the largest, nonprofit society in the world for stamp collectors.
Let me know if you found a nice website not listed here ...