Links
https://www.sussexphilately.org.uk/ The Association of Sussex Philatelic Societies
https://www.abps.org.uk/ The Association of British Philatelic Societies
https://www.rpsl.org.uk/ The Royal Philatelic Society London - established 1869 covering all countries.
https://www.gbps.org.uk/index.php The Great Britian Philatelic Society - a mass of information for the collector of GB.
https://www.bl.uk/ The British Library - Holder of the famous Tapling collection and much more besides.
https://www.postalmuseum.org/ The Postal Museum
In no particular order. HESPS does not necesarily agree with any content provided on these links.
hastingsstampclub hastingsstampclub.org.uk