General Links
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Museums
The Postal Museum Includes a searchable index to the archival collections |
The British Library Philatelic Collections |
The American Philatelic Society Research Library | The Global Philatelic Library (online) |
Finding out-of-print books
HH Sales Ltd | abebooks.com |
Conservation and archival supplies
Conservation Resources | Preservation Equipment Ltd |
Conservation by Design | Light Impressions (USA) |
Secol |
General Links
Fédération Internationale de Philatélie | Philatelic Experts |
Stamp Image Bursting Application | ImageSleuth – RetroReveal replacement |