National Philatelic Societies
The Association of British Philatelic Societies Ltd (ABPS)American Philatelic Society (APS)
Australian Philatelic Federation
The Royal Philatelic Society
National Philatelic Society
Royal Philatelic Society of New Zealand
The New Zealand Philatelic Federation
The Royal Philatelic Society of Canada
Other useful links:
The Royal Philatelic Society CatalogueFully searchable, lists all of the Society's archives, artefacts and printed material, both at 15 Abchurch Lane EC4, our London home, and with selected material made available through the Internet, including some for non-members.